
Surname Database

If you would like to add your New York City-Irish surnames to the
database for other researchers to view, please fill out the form below. Only
submit one form per surname.When you submit the form, you will receive an
email stating that it has been received. There is no need to reply to this email
unless you need to make any changes.
NOTE: On the form, in the Dates field,
please state the approximate dates the family lived in the New York City area.
You MUST include a valid email address in the form.
Please be sure to clear your browser cache so you may view all the names.
The following borough key is to aid those unfamiliar with the five boroughs
of New York City. The borough name is given first, then the corresponding
county.
Borough Key:
Bronx - Bronx County
Brooklyn - Kings County
Manhattan - New York County (New York City)
Queens - Queens County
Staten Island - Richmond County


| SURNAME | FROM | BOROUGH | DATES | CONTACT |
| Abbott | ? | Brooklyn | 1895 | email |
| Adams | Down | Brooklyn | 1904-1922 | email |
| Ahern | Clare | Manhattan | 1895 | email |
| Allen | Limerick | Bronx | 1906 | email |
| Allen | ? | ? | 1805-1830 | email |
| Appleby | ? | Manhattan | 1888-? | email |
| Arthur | ? | Manhattan | 1850s-1900 | email |
| Auchmuty | ? | ? | 1840-1860 | email |
| Bacon | West Meath | Manhattan | 1853-1864 | email |
| Barclay | ? | Manhattan | 1860-1920 | email |
| Barrett | Sligo | Manhattan | 1835-1946+ | email |
| Barron | Donegal | ? | 1860 | email |
| Barry | ? | Manhattan | 1864-1894 | email |
| Barry, Michael Mark | Cork (St. Finbar's) | ? | 1847-1860 | email |
| Beechinor | ? | ? | ? | email |
| Bellew | Louth | ? | 1849-1850 | email |
| Benner | ? | Staten Island | ? | email |
| Best | Armagh | Manhattan | 1870-1930 | email |
| Bohane | Cork | Brooklyn | 1890+ | email |
| Bonds | ? | ? | ? | email |
| Boody | ? | ? | 1851-1857 | email |
| Boyce/Boice/Boise | Antrim | ? | c1853-1860 | email |
| Boylan | ? | Brooklyn | c1910-1952 | email |
| Boylan | ? | Manhattan | 1850-1900 | email |
| Boylan | ? | ? | 1860-1950 | email |
| Boyle | Donegal | ? | 1845-1930 | email |
| Boyle | Down | Manhattan | 1872 | email |
| Bracken | ? | Manhattan | 1861-? | email |
| Brackett | Cork | ? | 1850-1900 | email |
| Brady | Cavan | Manhattan | 1888-1928 | email |
| Brady | Cavan | Manhattan | 1903 | email |
| Brady | Mayo | ? | 1900-1950 | email |
| Brady | Monaghan | ? | 1840-1868 | email |
| Breen | ? | ? | ? | email |
| Brennan | Kilkenny | ? | 1845-1865 | email |
| Breen | ? | ? | 1890+ | email |
| Brice | Donegal | ? | 1880-1920 | email |
| Brien/Bryan | Wexford | ? | 1828-1997 | email |
| Britt | ? | ? | ? | email |
| Brogan | ? | Bronx | 1910-1947 | email |
| Brophy | Kilkenny | Brooklyn | ? | email |
| Brosnan | ? | Manhattan | c1880-193? | email |
| Browning | Clare | Bronx | 1910 | email |
| Buckley | Cork | Bronx | 1890-1960 | email |
| Burk/Burke | ? | Brooklyn | 1870-1930+ | email |
| Burke | Limerick | Staten Island | 1837-1920 | email |
| Burns/Beirne/Byrne | Leitrim | Manhattan | 1850-1862 | email |
| Butler | ? | ? | Any | email |
| Byrne | ? | Brooklyn | 1875-1930+ | email |
| Byrne | ? | Manhattan | 1848-1880 | email |
| Byrnes | Clare | Manhattan | 1906 | email |
| Byrnes | ? | Manhattan | 1863+ | email |
| Caddle | ? | Manhattan | 1800s | email |
| Cadigan | Cork | ? | ? | email |
| Cahill | ? | Manhattan | 1851 | email |
| Callaghan/Callahan, Thogode | Cork | Manhattan | 1870-1950 | email |
| Callaghan/Callahan | Cork | Manhattan | c1885-1897 | email |
| Callaghan | Cork | Manhattan | 1881+ | email |
| Callaghan | Cork | ? | 1839 | email |
| Callahan | Cork | Brooklyn | 1897+ | email |
| Callahan/Callaghan | Cork | ? | 1880-1920 | email |
| Campbell | ? | ? | 1740 | email |
| Carey | ? | Manhattan | 1830-1880 | email |
| Carles/Carlos/Carlis | Roscommon | Brooklyn | 1840+ | email |
| Carlin | ? | Manhattan | 1860-1880 | email |
| Carr | Armagh | Brooklyn | 1887-1888 | email |
| Carroll, Bridget | Roscommon | ? | ? | email |
| Carroll | Limerick | ? | ? | email |
| Carroll | Dublin | Manhattan | 1848-1900 | email |
| Carroll | ? | Manhattan | 1860+ | email |
| Carter | ? | Brooklyn | 1860-1911 | email |
| Carter | ? | Manhattan | 1864-1873 | email |
| Carvlin | ? | ? | 1800-1985 | email |
| Casey | West Meath | Manhattan | 1834 | email |
| Cassidy | Armagh | Brooklyn | 1905-1908 | email |
| Cassidy | West Meath | ? | 1850s+ | email |
| Cassidy | ? | Manhattan | c1886-1930 | email |
| Cassidy, John | ? | ? | 1819-1846 | email |
| Cassidy | ? | Manhattan | 1846+ | email |
| Cassidy | ? | Manhattan | 1848-1898 | email |
| Caulfield | Monaghan | Brooklyn | 1852-1860 | email |
| Cavanagh | Derry | ? | abt 1987 | email |
| Cavanagh | ? | Staten Island | 1920 | email |
| Clancy | ? | Brooklyn | 1800s+ | email |
| Clancy, William B. | ? | ? | ? | email |
| Clarke | Cavan | Brooklyn | 1890-1965 | email |
| Clarke | Longford | ? | 1890-1940 | email |
| Cleary | ? | Brooklyn | 1890s | email |
| Clifford | Limerick | ? | 1848-1851 | email |
| Cloonan | King's/Offaly | Manhattan | 1867-1903 | email |
| Coates | Kildare | Manhattan | 1842 | email |
| Cochrane | ? | Manhattan | 1885+ | email |
| Coffey | Kerry | Brooklyn | 1900-1930 | email |
| Coffey | Kerry | Brooklyn | 1900-1950 | email |
| Coffey | West Meath | ? | 1860s | email |
| Coffey | ? | Manhattan | 1880-1889 | email |
| Coghlan | Galway | Manhattan | 1870 | email |
| Coleman | ? | Brooklyn | 1895-? | email |
| Coll | Derry | Westchester | ?-1996 | email |
| Colleary | Sligo | Manhattan | 1887-1908 | email |
| Collins | Cork | Manhattan | 1861-1891 | email |
| Collins | Kerry | Brooklyn | 1881-1900 | email |
| Collins | ? | ? | 1842 | email |
| Colton | Tyrone | ? | 1850s-1900 | email |
| Conerty | ? | ? | ? | email |
| Conlin | ? | Manhattan | 1855-1863 | email |
| Conlon | Cavan | Brooklyn | 1903-1940 | email |
| Connolly | ? | Brooklyn | 1870-1880 | email |
| Connor | Cork | Brooklyn | 1870-1885 | email |
| Connor | Queen's/Leix | Brooklyn | 1860-1863 | email |
| Connor | ? | Manhattan | 1895-1905 | email |
| Connors | ? | Manhattan | 1863-1955 | email |
| Connors | ? | Manhattan | ?-1890s | email |
| Convey | ? | Manhattan | 1857-1906 | email |
| Conway | ? | Manhattan | 1895 | email |
| Coogan | Monaghan | Brooklyn | 1890-1960 | email |
| Coppinger | Cork | Brooklyn | 1900+ | email |
| Coppinger | Galway | Manhattan | 1800+ | email |
| Corcoran | ? | Brooklyn | 1870-1970 | email |
| Corcoran | ? | Manhattan | 1850 | email |
| Cornell | ? | Manhattan | 1910 | email |
| Corrigan | Sligo | Manhattan | 18??-193?+ | email |
| Corrigan | ? | Brooklyn | 1844-? | email |
| Cosgrove | Mayo | Manhattan | 1900 | email |
| Cosgrove | ? | Manhattan | 1860-1880 | email |
| Costello | Galway | Manhattan | 1855-1890s | email |
| Costello | Mayo | Manhattan | 1853-1890s | email |
| Costello | Mayo | ? | 1872 | email |
| Cotter | ? | Brooklyn | 1880s-1910s | email |
| Cotter | ? | Manhattan | 1880s-1910s | email |
| Courtney | Cork | ? | 1870-1920 | email |
| Coyne | Meath | Manhattan | 1893-1910 | email |
| Coyne | ? | Brooklyn | 1890-1960 | email |
| Crean | Kerry | Manhattan | 1895-1920 | email |
| Crerand | Donegal | Queens | 1872-1910 | email |
| Cronin | ? | ? | 1855-1905 | email |
| Crowe | ? | Manhattan | 1865-1933 | email |
| Cruise | ? | Manhattan | 1890 | email |
| Cryan | Roscommon | Bronx | 1885-1915 | email |
| Culhane | ? | ? | ? | email |
| Cullen | Cavan | ? | ? | email |
| Cullen | Leitrim | Brooklyn | 1910-1965 | email |
| Cullen | Leitrim | Manhattan | 1850-1870 | email |
| Cummings | ? | Brooklyn | 1866-1952 | email |
| Cummiskey | Cavan | ? | 1880-1900 | email |
| Cummiskey | ? | ? | 1880 | email |
| Cunniffe | ? | ? | ? | email |
| Cunniffe | Roscommon | ? | ? | email |
| Cunningham | Down | Manhattan | 1891-1896 | email |
| Curley | Roscommon | Brooklyn | 1894+ | email |
| Curran | ? | Brooklyn | 1860 | email |
| Cuthbert | ? | ? | ? | email |
| Dalton | ? | Manhattan | 1880-1907 | email |
| Daly | Cork | Manhattan | 1903-1956 | email |
| Daly | West Meath | Manhattan | 1841+ | email |
| Darcy | ? | Manhattan | 1849-1907 | email |
| Davis | ? | ? | ? | email |
| Davis | ? | Manhattan | 1900 | email |
| Davis | ? | Westchester | 1820 | email |
| Deane | Tipperary | ? | 1913-1969 | email |
| Deehan | ? | ? | 1870+ | email |
| Degnan | Longford | Brooklyn | 1864 | email |
| Delahanty | Tipperary | Queens | 1849+ | email |
| Delaney | West Meath | ? | ? | email |
| Dempsey | Kildare | Brooklyn | 1880+ | email |
| Denvir | Dublin | ? | 1840-1920 | email |
| Devery | King's/Offaly | Manhattan | 1840-1988 | email |
| Devine | Armagh | Manhattan | 1849-1880+ | email |
| Devoy | ? | ? | 1800-1870 | email |
| Dillon | Cork | Manhattan | 1850 | email |
| Dillon | Derry | Brooklyn | 1890-1947 | email |
| Dineen | Kerry | Manhattan | 1888-1896, 1903-1909 | email |
| Dinsmore | Antrim | Bronx | 1870-1930 | email |
| Dobbin | Antrim | Bronx | 1890-1930 | email |
| Doherty | Mayo | Manhattan | 1873 | email |
| Dolan | Leitrim | ? | 1860s | email |
| Dolan | ? | Manhattan | 1810-1830 | email |
| Dollard | Dublin | Manhattan | 1837-1857 | email |
| Donahue | ? | ? | ? | email |
| Donnelly | Armagh | ? | circa 1887 | email |
| Donnelly | Kerry | Bronx | 1918 | email |
| Donnelly | ? | Manhattan | 1856 | email |
| Donnelly | ? | Manhattan | 1876+ | email |
| Donohue | ? | Manhattan | 1860-1930 | email |
| Donohue | ? | Manhattan | ? | email |
| Dooley | Cork | Manhattan | 1860-1920 | email |
| Dooley | Queen's/Leix | ? | 1850-1900 | email |
| Dowdell | Dublin | ? | 1867 | email |
| Downey | ? | Brooklyn | 1863-1918 | email |
| Doyle | ? | Brooklyn | ? | email |
| Driscoll | Cork | Staten Island | 1855 | email |
| Driscoll | ? | Brooklyn | 1860s-1900 | email |
| Driscoll | ? | ? | 1858 | email |
| Drury | Cavan | ? | 1897 | email |
| Duffy | Meath | Bronx | 1850-1898 | email |
| Duffy | ? | Brooklyn | 1840+ | email |
| Duffy | ? | Manhattan | 1850+ | email |
| Dundon | ? | ? | 1800s | email |
| Dunn | Cork | Manhattan | 1883-1940 | email |
| Dunne | Cork | Bronx | 1890 | email |
| Dwyer | Carlow | Suffolk | 1921 | email |
| Dwyer | ? | Manhattan | 1860-1880 | email |
| Eagen | Kilkenny | ? | 1880-1950 | email |
| Early | ? | ? | 1850 | email |
| Egan | Clare | Manhattan | 1885-1930 | email |
| Egan | Mayo | Brooklyn | 1899-1954 | email |
| Egan | ? | Manhattan | 1890-1970 | email |
| Egan | ? | Staten Island | 1840-? | email |
| Elliott | Leitrim | Manhattan | ? | email |
| Elliott | Tyrone | Manhattan | 1880s-1920 | email |
| English | Waterford | Manhattan | 1839-1870 | email |
| Enright | Limerick | ? | 1853-1865 | email |
| Evans | ? | ? | 1903 | email |
| Evers | King's/Offaly | Manhattan | 1866 | email |
| Fagan | ? | Manhattan | pre-1880 | email |
| Fagan | West Meath | Manhattan | 1850-1900 | email |
| Fallon | Mayo | Manhattan | 1922 | email |
| Farley | Meath | Unknown | 1848-1900 | email |
| Farley | ? | Brooklyn | 1847-? | email |
| Farmer | ? | Manhattan | 1840 | email |
| Farrell | Roscommon | Brooklyn | 1890+ | email |
| Feeley | Leitrim | Brooklyn | 1902 | email |
| Feeley | ? | Brooklyn | 1850-1860 | email |
| Felkins | Cork | ? | 1850-1916 | email |
| Ferguson | ? | Brooklyn | 1863 | email |
| Ferris | Cork | ? | 1847 | email |
| Ferris | ? | Brooklyn | 1811-1850 | email |
| Ferry | ? | Manhattan | 1870-? | email |
| Finn | Cork | Brooklyn | 1850s | email |
| Finnell | Meath | ? | 1890-1915 | email |
| Finnell | ? | ? | 1885-1920 | email |
| Fitzgerald | ? | Manhattan | ?-1890s | email |
| FitzGibbon | Cork | Bronx | 1910s | email |
| Fitzharris | Wexford | ? | 1830-1850 | email |
| Fitzpatrick | ? | ? | 1858-1870 | email |
| Fitzsimons | Cavan | ? | 1864 | email |
| Flaherty | Mayo | ? | 1830-1860 | email |
| Flaherty | Roscommon | ? | ? | email |
| Flaherty | ? | ? | 1908-1912 | email |
| Flanagan | Mayo | ? | 1915 | email |
| Flanagan | Roscommon | ? | 1850-1920 | email |
| Flanagan | ? | Manhattan | 1894-1955 | email |
| Flannery | Galway | ? | 1920-1930 | email |
| Fleming | Queen's/Leix | Manhattan | 1850-1920 | email |
| Fleming | ? | Manhattan | 1850+ | email |
| Flood | ? | Brooklyn | 1866-1925 | email |
| Flynn | ? | Brooklyn | 1917 | email |
| Forbes | ? | Bronx | ? | email |
| Forkin/Faulkner | Mayo | Queens | 1890-1920 | email |
| Fortune | Wexford | ? | 1900+ | email |
| Fox | Meath | Brooklyn | 1845-1930 | email |
| Fraher | Cork | Brooklyn | 1890 | email |
| Fraher | Cork | Manhattan | 1900 | email |
| Frazier | ? | Manhattan | 1843-1901 | email |
| Freehill | Cavan | ? | 1890s+ | email |
| Frewen | Limerick | Manhattan | 1860 | email |
| Frewen | Limerick | ? | ? | email |
| Gaines | ? | Brooklyn | 1890+ | email |
| Galavan | Kilkenny | ? | 1800-1900 | email |
| Gallagher | Sligo | Manhattan | 1835+ | email |
| Gallagher | Tyrone | Brooklyn | 1860 | email |
| Gallagher | Tyrone | Queens | 1854 | email |
| Galvin | ? | Bronx | mid 1800s-mid 1900s | email |
| Gardiner | Armagh | ? | ? | email |
| Gartlan | Cork | ? | 1932 | email |
| Gartlan | Monaghan | Westchester | 1886 | email |
| Garty | ? | Brooklyn | 1885-1915 | email |
| Garvey | Longford | Manhattan | 1880-? | email |
| Gately | Roscommon | ? | 1830-1865 | email |
| Gately | Roscommon | Manhattan | 1850-1865 | email |
| Gavin | Mayo | Manhattan | 1868 | email |
| Gaynor | West Meath | Manhattan | 1857-1865 | email |
| Geoghegan | Dublin | Bronx | 1850s-1925 | email |
| Geoghegan | West Meath | ? | all | email |
| Geoghegan | ? | Brooklyn | 1870-1940 | email |
| Geoghegan | ? | Manhattan | 1880-1885 | email |
| Geraghty | ? | Bronx | 1880 | email |
| Gerety | West Meath | ? | ? | email |
| Gernon | Galway | Queens | 1890-1895 | email |
| Gibbons | West Meath | ? | 1920-1940 | email |
| Gildea | Sligo | ? | 1847 | email |
| Gilfillan | ? | Queens | 1900 | email |
| Gill | Galway | Manhattan | 1868 | email |
| Gillick | West Meath | Brooklyn | 1830+ | email |
| Gilligan | ? | Brooklyn | 1875-? | email |
| Gilmartin | Sligo | ? | 1846-1864 | email |
| Gilroy | Mayo | ? | 1840-1850 | email |
| Glynn | Galway | ? | 1849 | email |
| Glynn | ? | ? | 1855 | email |
| Goodwin | ? | Brooklyn | 1900 | email |
| Goonan | Galway | ? | 1880s-1940 | email |
| Gordon | ? | ? | 1840-1850s | email |
| Gorey | Galway | Manhattan | 1847-1853 | email |
| Gorman | Tipperary | Manhattan | 1848-1870 | email |
| Gorman | ? | Manhattan | 1910 | email |
| Grady | ? | ? | 1885-1910 | email |
| Grafton | Cork | Brooklyn | 1880-1900s | email |
| Graham | Waterford | Manhattan | 1849-1851 | email |
| Graham | Wicklow | Manhattan | 1849-1851 | email |
| Grant | ? | Manhattan | 1921 | email |
| Gregory | Armagh | Manhattan | 1844-1855 | email |
| Gregory | ? | Manhattan | 1855 | email |
| Gunning | ? | ? | ? | email |
| Gunning | ? | Staten Island | 1900 | email |
| Hackett | ? | ? | 1860 | email |
| Haggerty | Cork | Bronx | 1800-1900 | email |
| Hale | Dublin | Manhattan | 1910-1930 | email |
| Halpin | Dublin | Brooklyn | 1889+ | email |
| Halton | West Meath | ? | 1850-1900 | email |
| Hamilton | ? | Manhattan | circa 1870+ | email |
| Hamrick | ? | ? | 1700+ | email |
| Hanton | Wexford | Brooklyn | 1860-1930 | email |
| Harding | ? | Manhattan | 1883-1925 | email |
| Harford | Dublin | Brooklyn | 1912 | email |
| Harkins | Donegal | Bronx | 1931-1940 | email |
| Harkins | Donegal | ? | ? | email |
| Harrigan | Cork | Manhattan | 1845-1968 | email |
| Harrington | Donegal | Brooklyn | 1880+ | email |
| Harrison | ? | Brooklyn | 1853+ | email |
| Hartigan | Cork | Brooklyn | 1900-1941 | email |
| Hartigan | Cork | Brooklyn | 1900-1959 | email |
| Hartin | ? | Manhattan | 1880 | email |
| Hassett | Clare | Manhattan | 1920-1930 | email |
| Havanaugh | ? | Manhattan | 1840-1900 | email |
| Haviland | ? | ? | ? | email |
| Hayden | Dublin | Manhattan | 1870+ | email |
| Hayes | Cork | Brooklyn | 1903+ | email |
| Hayes | Kerry | Manhattan | 1908-1989 | email |
| Hayes | Kerry | Manhattan | 1926-1989 | email |
| Healy | Cork | ? | late 1800s | email |
| Healy | Kerry | Brooklyn | 1881-1903 | email |
| Healy/Healey | Kerry | Brooklyn | 1860-1923 | email |
| Healy | Kings/Offaly | Manhattan | 1840-1900s | email |
| Healy | Sligo | Brooklyn | 1886-1940 | email |
| Hefferman | ? | Manhattan | 1810-1851 | email |
| Heffernan | Cork | Manhattan | 1851-1905 | email |
| Hegarty | Cork | Staten Island | 1851 | email |
| Hegarty | Derry | Brooklyn | 1850-1870 | email |
| Hegarty | Derry | ? | ? | email |
| Hellion | ? | Brooklyn | any | email |
| Henry | ? | ? | 1845-1850 | email |
| Herity | Sligo | ? | 1923 | email |
| Herward | Galway | Brooklyn | 1920-1922 | email |
| Herward | Galway | ? | ? | email |
| Hetherington | Cavan | Bronx | 1850-1918 | email |
| Hettrick | Derry | Manhattan | 1850-1910 | email |
| Hickey | ? | Brooklyn | 1890-1918 | email |
| Hickey | ? | Manhattan | 1890-1930 | email |
| Higgins | Roscommon | ? | 1863-1864 | email |
| Higgins | Roscommon | ? | 1915-? | email |
| Higgins | ? | Brooklyn | 1899-1908 | email |
| Higgins | ? | Manhattan | 1867-1925 | email |
| Higgins | ? | ? | 1900 | email |
| Highland | ? | ? | 1855-1865 | email |
| Ho | ? | ? | c1850-1860 | email |
| Hogan | ? | Manhattan | 1850s | email |
| Holahan | Dublin | ? | 1880-1897 | email |
| Holt | Kildare | ? | 1860 | email |
| Holton | Kildare | Westchester | 1849-1920 | email |
| Hopper | ? | ? | 1915+ | email |
| Horgan | Cork | Manhattan | 1847 | email |
| Horgan | Cork | Manhattan | 1873 | email |
| Horgan | Cork | Manhattan | ? - 1919 | email |
| Horkan | ? | ? | ? | email |
| Houghton | ? | ? | ? | email |
| Howe | Fermanagh | Manhattan | 1870+ | email |
| Hudson/Hodson | ? | Brooklyn | 1850-1920 | email |
| Hughes | ? | ? | 1845-1850 | email |
| Hughes | ? | ? | ? | email |
| Hunt | Dublin | ? | 1800-1905 | email |
| Hunt | ? | Bronx | 1887 | email |
| Hurley | Waterford | Manhattan | 1892-1940 | email |
| Hussey | Cork | Brooklyn | 1865+ | email |
| Hussey | ? | Manhattan | 1895 | email |
| Hyland | Dublin | Queens | 1870 | email |
| Irving | ? | Manhattan | 1860-1880 | email |
| Jacob | Kildare | ? | ? | email |
| Jago | ? | ? | 1885-1910 | email |
| Jeffords | Cork | ? | 1840-1849 | email |
| Jett | ? | ? | ? | email |
| Johnston/Johnstone | Mayo | Bronx | 1850s-1925 | email |
| Johnston | Mayo | ? | 1903 | email |
| Johnston | ? | Brooklyn | 1855-? | email |
| Junior | ? | ? | 1863+ | email |
| Kanan | ? | ? | ? | email |
| Kavanagh | ? | ? | ? | email |
| Kealey/Kealy | ? | ? | ? | email |
| Kealy | ? | Brooklyn | 1809-1814 | email |
| Kealy/Kealey | ? | Manhattan | 1803-1840 | email |
| Keane | West Meath | Manhattan | 1911+ | email |
| Keaney | Sligo | Bronx | 1915 | email |
| Keating | ? | Manhattan | 1845-1859 | email |
| Keating | ? | ? | 1860-1930 | email |
| Kehoe | West Meath | Queens | 1844-1970 | email |
| Kellett | Louth | Manhattan | 1884-1900s | email |
| Kelley | Cork | ? | 1881 | email |
| Kelly | Dublin | ? | 1880s | email |
| Kelly | Mayo | ? | 1880-1919 | email |
| Kelly | Tyrone | Manhattan | 1820-1900 | email |
| Kelly | ? | Staten Island | 1849 | email |
| Kelty | ? | ? | ? | email |
| Kenneally | ? | Manhattan | 1870-1930 | email |
| Kenneally | ? | ? | ? | email |
| Kennedy | ? | ? | 1866 | email |
| Kenney | ? | ? | ? | email |
| Kenny | Galway | ? | 1880s-1940 | email |
| Keough | ? | Manhattan | 1850-1925 | email |
| Kerley/Cearley | ? | ? | 1692-1900 | email |
| Kerr | Antrim | Bronx | 1910-1959 | email |
| Kerrigan | Longford | Manhattan | 1863-1898 | email |
| Keyes | Fermanagh | Brooklyn | 1870+ | email |
| Kildare | ? | ? | ? | email |
| Kildea | Donegal | ? | 1880s-1960 | email |
| Kilemade | Longford | ? | ? | email |
| Kilemade | ? | ? | ? | email |
| Killelea | Roscommon | ? | 1918-1965 | email |
| Killmartin | ? | Brooklyn | 1870-1883 | email |
| Kilpatrick | ? | ? | 1905-1950 | email |
| Kinally/Knally | West Meath | Manhattan | 1846-1960 | email |
| King | Monaghan | ? | 1857 | email |
| Kirwan/Kerwin | Kildare | ? | 1843-1849 | email |
| Kirwan | King's/Offaly | Bronx | 1800-1900 | email |
| Kirwan | ? | ? | ? | email |
| Knox | Dublin | ? | 1850 | email |
| Ladlie | ? | ? | ? | email |
| Laffin | Kilkenny | ? | ? | email |
| Laffin | ? | Manhattan | 1860-1880 | email |
| Lane | Roscommon | Brooklyn | 1920-1960 | email |
| Langan | Waterford | Brooklyn | 1880-1930 | email |
| Langley | Galway | ? | 1906-1980 | email |
| Larkin | Roscommon | Brooklyn | 1881+ | email |
| Larkin | Roscommon | Manhattan | 1845-1900 | email |
| Larkin | ? | ? | 1900-1930 | email |
| Larkum | ? | ? | 1900-1930 | email |
| Laurens | ? | ? | 1900 | email |
| Lavin | Galway | Manhattan | 1866-1946 | email |
| Lavin | ? | Manhattan | 1840 | email |
| Lawless | Louth | ? | ? | email |
| Lawton | ? | Manhattan | 1840-1900 | email |
| Leahy | Tipperary | Manhattan | 1840-1860 | email |
| Leahy | ? | Brooklyn | 1890-1896 | email |
| Leddy | Cavan | Manhattan | 1890s | email |
| Leddy | ? | Brooklyn | 1859-1945 | email |
| Leddy | ? | Manhattan | 1850-1900s | email |
| Leland | ? | Manhattan | 1893 | email |
| Lennon | ? | Bronx | 1850s-1950 | email |
| Lennon, Nicholas | ? | ? | 1864 | email |
| Lennon | Down | Manhattan | 1885-1950 | email |
| Lennon | ? | ? | 1904 | email |
| Leonard | Cavan | Bronx | 1903-1907 | email |
| Leonard | Cavan | Brooklyn | 1903-1907 | email |
| Leyhane | Cork | Manhattan | 1850s | email |
| Linehan | Cork | Manhattan | 1880s-1920s | email |
| Little, Emily | Longford, Dublin | ? | 1886 | email |
| Little | Meath | ? | 1834 | email |
| Longfield | ? | ? | 1830-1838 | email |
| Loo | Armagh | ? | ? | email |
| Lundy | Sligo | Bronx | 1900 | email |
| Lundy | Sligo | Manhattan | 1910 | email |
| Lynch | Cavan | Brooklyn | 1881 | email |
| Lynch | Dublin | Brooklyn | c1897+ | email |
| Lynch | ? | Brooklyn | 1881+ | email |
| Lynch | ? | Manhattan | 1883-1920s | email |
| Lyons | Longford | ? | 1870-1899 | email |
| Lyons | ? | Brooklyn | 1870 | email |
| Lyons | ? | Westchester | 1911-1953 | email |
| Lyons | ? | ? | 1871-1900 | email |
| MacKaughen | ? | ? | 1857-1900 | email |
| Macken | Longford | Brooklyn | 1840s | email |
| Macken | ? | Brooklyn | 185?-1900 | email |
| Macklin | Roscommon | Manhattan | 1925 | email |
| Madden | Cork | ? | 1920-1930 | email |
| Madigan | ? | ? | ? | email |
| MaGee | ? | ? | 1800-1950 | email |
| Maguire | Cavan | Bronx | 1905-1907 | email |
| Maguire | Fermanagh | Brooklyn | 1892-1968 | email |
| Maguire-McPartland | Cavan | Bronx | 1900 | email |
| Maher | ? | Manhattan | 1860-1900s | email |
| Mahon | Galway | Brooklyn | 1870 | email |
| Mahon | ? | Manhattan | 1860-1888 | email |
| Malacky | Clare | Manhattan | 1925-1943 | email |
| Malaney | Sligo | ? | 1837-1864 | email |
| Malloy | Cork | ? | ? | email |
| Mantle | Cork | Manhattan | 1857-1861 | email |
| Marron | Sligo | ? | 1889-1929 | email |
| Martin | ? | Manhattan | 1860 | email |
| Matthews | Cavan | Manhattan | 1890 | email |
| Maugham | ? | Manhattan | 1893 | email |
| Mawhinney | Derry | Manhattan | 1880+ | email |
| Mawhinney | Derry | Manhattan | 1893-1920 | email |
| McAdams | ? | ? | 1940+ | email |
| McAleer | Monaghan | ? | 1840-? | email |
| McAllister | Antrim | Brooklyn | 1860+ | email |
| McAllister | ? | Brooklyn | 1890-1918 | email |
| McArdle | Down | Brooklyn | May 1907+ | email |
| McArdle | Louth | ? | 1895-1973 | email |
| McArdle | Monaghan | Queens | 1846 | email |
| McAuliffe | Kerry | Manhattan | 1895 | email |
| McCabe | Longford | ? | 1866 | email |
| McCaig | Antrim | Manhattan | | 1865 | email |
| McCaffrey | ? | Manhattan | 1850-1906 | email |
| McCann | Armagh | ? | 1850 | email |
| McCann | Armagh | ? | 1852 | email |
| McCartan | Down | ? | 1850-1930 | email |
| McCarthy | Cork | ? | 1860 | email |
| McCarthy | Mayo | Brooklyn | 1850-1910 | email |
| McCarty | Mayo | Brooklyn | 1863-1946 | email |
| McCarty | ? | ? | 1800-1820 | email |
| McCaughey | ? | ? | 1850-1880 | email |
| McCelvey | ? | ? | 1857-1887 | email |
| McClement(s) | Down | ? | 1800-? | email |
| McCloskey | ? | Manhattan | 1846-1918 | email |
| McCloskey | ? | Manhattan | 1920-1962 | email |
| McComb | Antrim | ? | 1770-1800 | email |
| McCord | ? | Manhattan | 1890 | email |
| McCourt | ? | ? | ? | email |
| McCullough | ? | ? | 1840-1930 | email |
| McCunn | Derry | Manhattan | 1850-1910 | email |
| McCutcheon | Fermanagh | Bronx | 1885 | email |
| McDermott | Longford | Brooklyn | 1880-1920 | email |
| McDermott | Roscommon | Manhattan | 1870 | email |
| McDermott | ? | ? | 1850 | email |
| McDermott | ? | ? | 1870s | email |
| McDonald | Mayo | Manhattan | 1892-1917 | email |
| McDonnell | Cavan | Manhattan | 1879-1900 | email |
| McDonough | Leitrim | Manhattan | 1849-1870 | email |
| McDowell | ? | Brooklyn | 1852-1887 | email |
| McElroy | Tyrone | Queens | 1880 | email |
| McEntee | Cavan | Manhattan | 1886-1917 | email |
| McEvoy | Down | ? | 1850-1930 | email |
| McEwan | ? | Brooklyn | 1890s-1950s | email |
| McFadden | Cavan | Brooklyn | 1881 | email |
| McFadden | ? | ? | ? | email |
| McGann | ? | Brooklyn | 1870 | email |
| McGarry | Tipperary | Brooklyn | 1886-after 1905 | email |
| McGee | ? | Manhattan | 1824-1888 | email |
| McGee, Thomas | ? | Manhattan | 1840-1888 | email |
| McGeehan | Donegal | ? | July 17, 1857-1860 | email |
| McGill | Louth | ? | 1900 | email |
| McGinty | Monaghan | ? | 1840-1930 | email |
| McGinity | Tyrone | Brooklyn | ? | email |
| McGlynn | Longford | Manhattan | 1848-1964+ | email |
| McGoey | Longford | ? | 1850s-1890s | email |
| McGovern | Leitrim | Manhattan | 1849-1870 | email |
| McGovern | ? | Manhattan | 1926 | email |
| McGowan | ? | Brooklyn | ? | email |
| McGrath | Mayo | Brooklyn | 1850-1910 | email |
| McGrath | ? | Manhattan | 1890-1965 | email |
| McGraw | ? | ? | 1850s-1880s | email |
| McGuigan | ? | Brooklyn | 1900 | email |
| McGuinness | Donegal | Brooklyn | 1880-1975 | email |
| McGuire | Cavan | Manhattan | 1855-1859 | email |
| McGuire | ? | Brooklyn | 1855-1865 | email |
| McHugh | Galway | Manhattan | 1912-1924 | email |
| McHugh | ? | ? | ? | email |
| McHugh | ? | Manhattan | 1878-1930 | email |
| McHugo | Galway | ? | 1845-1870 | email |
| McIlwaine | Antrim | Manhattan | 1862-1865 | email |
| McIntosh | ? | Manhattan | 1840-1900 | email |
| McKenna | Dublin | ? | 1931 | email |
| McKenna | ? | Manhattan | 1847-1920 | email |
| McKenna | West Meath | Queens | | email |
| McKeon | ? | Manhattan | 1858-? | email |
| McKey | ? | ? | ? | email |
| McKibbin | Cavan | ? | 1800 | email |
| McKnight | ? | Brooklyn | 1840+ | email |
| McKnight | ? | ? | 1825 | email |
| McLaughlin | Tyrone | ? | 1848-1860 | email |
| McLaughlin | ? | Manhattan | pre1828-1885 | email |
| McLellan | Meath | Brooklyn | 1853-? | email |
| McMahon | ? | Brooklyn | 1853-1941 | email |
| McMahon | ? | Manhattan | 1880+ | email |
| McMains | Derry | Manhattan | 1850-1920 | email |
| McMullett | ? | ? | 1850-1875 | email |
| McNally | Monaghan | Bronx | 1883-1950 | email |
| McNally | ? | Manhattan | 1846-1900 | email |
| McNamara | ? | Brooklyn | c1846-1900+ | email |
| McNeill | ? | Brooklyn | 1870-1966 | email |
| McNulty | Donegal | Manhattan | 1899-1930 | email |
| McPartland | ? | ? | 1850s | email |
| McQuade | Tyrone | Manhattan | 1856-1873 | email |
| McVay | ? | Manhattan | 1846-1906 | email |
| Meaney | Sligo | Westchester | 1900 | email |
| Meath | Mayo | ? | 1800s | email |
| Meehan | ? | Brooklyn | c1880s-1980 | email |
| Menton | Queen's/Leix | Manhattan | 1851+ | email |
| Middleton | ? | ? | ? | email |
| Miles | Wexford | ? | 1846 | email |
| Miles | ? | Manhattan | 1870-1920 | email |
| Miller | ? | ? | 1865 | email |
| Milsop | Cork | ? | 1880-1910 | email |
| Minaghan | Mayo | ? | 1880 | email |
| Minehan | Cork | Staten Island | 1855 | email |
| Mogan | ? | ? | ? | email |
| Molloy | Cork | ? | ?-1904 | email |
| Moloney | Galway | Manhattan | ? | email |
| Monahan | ? | Bronx | 1850 | email |
| Moolic | Leitrim | ? | 1885 | email |
| Mooney | Galway | ? | 1850-1870 | email |
| Moore | Cork | ? | 1849-1850 | email |
| Moore | ? | Manhattan | 1850s-1900 | email |
| Mooty | ? | ? | 1840-1865 | email |
| Moran | Roscommon | Manhattan | 1920 | email |
| Moriarty | Kerry | Bronx | 1860 | email |
| Moriarty | Kerry | Brooklyn | 1880 | email |
| Moriarty | Kerry | Brooklyn | ? | email |
| Morris | ? | ? | 1849-1852 | email |
| Morrison | ? | ? | 1850-1855 | email |
| Morrison | Sligo | Manhattan | 1866-1900 | email |
| Morrison | Sligo | Manhattan | 1870-1910 | email |
| Morrissey | Limerick | Brooklyn | 1900 | email |
| Morrissey | ? | Manhattan | 1857 | email |
| Morton | Tyrone | ? | 1860 | email |
| Moynihan | ? | Bronx | 1870-193? | email |
| Mulcahey | ? | ? | 1840-1860 | email |
| Mulherin | Donegal | Manhattan | 1845-1864 | email |
| Mulhern | Donegal | Brooklyn | 1864-1947 | email |
| Mulholland | Sligo | Brooklyn | 1865-1920 | email |
| Mullane | Cork | ? | ? | email |
| Mullane | Sligo | Manhattan | 1850-1903 | email |
| Mullen | Armagh | Manhattan | 1886-1908 | email |
| Mullen | Donegal | Queens | 1886-1925 | email |
| Mulligan | Galway | ? | ? | email |
| Mulligan | West Meath | ? | 1855 | email |
| Mullins | ? | ? | 1880 | email |
| Mulrooney | ? | ? | 1880-1895 | email |
| Mulvey | Leitrim | Brooklyn | ? | email |
| Mulvihil | ? | Brooklyn | 1814-1886 | email |
| Murdock | ? | Brooklyn | 1810-1910 | email |
| Murphy | Cork | Staten Island | 1883-1959 | email |
| Murphy | Roscommon | Brooklyn | 1847 | email |
| Murphy | Sligo | ? | 1830-1850 | email |
| Murphy | ? | Manhattan | 1850s-1900 | email |
| Murphy | ? | Manhattan | 1880-1950 | email |
| Murphy | ? | Staten Island | 1900 | email |
| Murray | Cavan | Manhattan | 1882 | email |
| Murray | West Meath | Queens | 1840-1970 | email |
| Murray | ? | Bronx | 1873 | email |
| Murray | ? | Manhattan | 1879-1900 | email |
| Nagel | Limerick | ? | 1875 | email |
| Naish | Limerick | Queens | 1895-1953 | email |
| Nash | Roscommon | Brooklyn | 1892+ | email |
| Nash | ? | Brooklyn | 1820-1900? | email |
| Navon | ? | ? | ? | email |
| Neeson | Leitrim | Manhattan | 1800-1845 | email |
| Neilan | Roscommon | ? | 1850-1900 | email |
| Nelon | ? | Brooklyn | 1843-1852 | email |
| Nelon/Nealon | ? | Brooklyn | 1843-1852 | email |
| Nevins | Waterford | Manhattan | ? | email |
| Nevitt | ? | ? | 1850 | email |
| Neylon | Clare | ? | ? | email |
| Nicholas | Tyrone | ? | 1850-1900 | email |
| Nicholas | ? | ? | ? | email |
| Nicholson | ? | Manhattan | ? | email |
| Nolan | Galway | ? | ? | email |
| Nolan | Galway | ? | 1900 | email |
| Nolan | Kerry | Manhattan | 1892 | email |
| Nolan | ? | ? | ? | email |
| Noonan | Longford | Manhattan | 1840s | email |
| Noonan | ? | Staten Island | 1860-1870s | email |
| Norton | ? | ? | 1812-1820 | email |
| Nugent | Dublin | ? | 1900 | email |
| O'Brien | ? | Manhattan | circa 1884+ | email |
| O'Brien | ? | Brooklyn | 1838-1913 | email |
| O'Brien | ? | ? | ? | email |
| O'Callaghan | Dublin | Brooklyn | 1900-1950 | email |
| O'Connell | Kerry | Bronx | 1927-1960 | email |
| O'Connell | ? | Manhattan | 1880-1890 | email |
| O'Connor | Dublin | Queens | 1880-1920 | email |
| O'Connor | Mayo | ? | 1923-1929 | email |
| O'Connor | ? | Brooklyn | 1870-1960 | email |
| O'Donnell | Mayo | Manhattan | 1898-1910 | email |
| O'Driscoll | Cork | ? | ? | email |
| O'Driscoll | Cork | ? | ? | email |
| O'Gorman | ? | Westchester | 1876-1891 | email |
| O'Grady | ? | Manhattan | 1900 | email |
| O'Halloran | Tipperary | ? | 1890-1912 | email |
| O'Hara | ? | ? | ? | email |
| O'Hare | Galway | ? | 1845-1865 | email |
| O'Hare | Down | Brooklyn | 1887 | email |
| O'Keeffe | Cork | ? | 1855-1866 | email |
| O'Malley | ? | ? | 1900-1930 | email |
| O'Mara | Tipperary | Brooklyn | 1850+ | email |
| O'Neil | ? | Queens | ? | email |
| O'Neill | Armagh | Brooklyn | 1886-1925 | email |
| O'Neill | Armagh | Manhattan | 1886-1925 | email |
| O'Neill | Cork | ? | 1880s | email |
| O'Neill | ? | Brooklyn | 1854-1913 | email |
| O'Neill | ? | Manhattan | 1871-1935 | email |
| O'Neill | ? | ? | 1860 | email |
| O'Neill | ? | ? | 1850-1860 | email |
| O'Niel | ? | Manhattan | 1880 | email |
| O'Pray | ? | Manhattan | 1879-1932 | email |
| O'Reilly | Cavan | Manhattan | 1920-1956 | email |
| O'Reilly | Cork | ? | 1850-1879 | email |
| O'Reilly | Fermanagh | ? | 1850-1955 | email |
| O'Reilly | Waterford | Bronx | 1912-1950 | email |
| O'Reilly | ? | Bronx | ? | email |
| O'Reilly | ? | ? | 1867 | email |
| O'Rielly | Cavan | Manhattan | 1890 | email |
| O'Rourke | ? | Manhattan | ? | email |
| O'Toole | Down | Brooklyn | 1885-1929 | email |
| Oldis | ? | Manhattan | 1850 | email |
| Oliver | ? | Brooklyn | 1850 | email |
| Ormsby | Cork | ? | ? | email |
| Owens | King's/Offaly | Queens | 1927-1940 | email |
| Oysten/Oyston | Down | Manhattan | 1880s-1910 | email |
| Pasco/Pascoe | ? | Brooklyn | 1890-1950+ | email |
| Pattle | ? | ? | | email |
| Peoples | Tyrone | ? | ? | email |
| Phalen | ? | Brooklyn | ? | email |
| Phelan | ? | Manhattan | 1800-1850 | email |
| Potterton | Meath | ? | 1840-1920 | email |
| Power(s) | Tipperary | Manhattan | 1845-1856 | email |
| Power | Waterford | Brooklyn | 1855-1859 | email |
| Powers | Limerick | ? | ? | email |
| Pritchard | Monaghan | Manhattan | 1864 | email |
| Pulcher | ? | ? | ? | email |
| Purcell | Kerry | ? | 1852-1870 | email |
| Purcell | Mayo | Brooklyn | 1850-1919 | email |
| Purcell | ? | ? | 1852-1867 | email |
| Quilvey | ? | ? | 1900+ | email |
| Quinlan | Kilkenny | ? | ? | email |
| Quinn | Galway | ? | 1858 | email |
| Quinn | Kilkenny | ? | abt 1920 | email |
| Quinn | ? | Brooklyn | 1870+ | email |
| Quinn | Sligo | Brooklyn | 1840+ | email |
| Quinnen | ? | Manhattan | 1900 | email |
| Rafferty | West Meath | ? | 1855 | email |
| Raftery | ? | ? | ? | email |
| Raftree/Raftery | Galway | Manhattan | 1855-1890 | email |
| Ratchford | ? | Brooklyn | 1865-? | email |
| Reagan/Regan | ? | Queens | 1870 | email |
| Reddan | Tipperary | Brooklyn | 1894-1903 | email |
| Redmond | ? | ? | ? | email |
| Regan | Cork | Staten Island | 1851 | email |
| Regan | Galway | ? | 1850 | email |
| Reibold | ? | ? | 1887-1920 | email |
| Reilly | Cavan | Manhattan | c1825-1876 | email |
| Reilly/Riley | Longford | Brooklyn | 1870-1876 | email |
| Reilly | Cavan | ? | 1890s-? | email |
| Reilly | Mayo | Brooklyn | 1846-1910 | email |
| Revelle | ? | ? | 1900-1930 | email |
| Rhatigan | ? | Brooklyn | any | email |
| Riley | ? | ? | 1850s-1860s | email |
| Riordan | ? | Manhattan | 1870 | email |
| Roach | Mayo | ? | ? | email |
| Roan | ? | ? | 1860-1920 | email |
| Roan | Donegal | Manhattan | 1892 | email |
| Robinson | Armagh | ? | 1899 | email |
| Robinson | Derry | Brooklyn | 1850s-1880s | email |
| Robinson | Wicklow | Manhattan | 1886+ | email |
| Robinson | ? | ? | ? | email |
| Rohan | Tipperary | Brooklyn | 1881 | email |
| Ronayne | Roscommon | Bronx | early 1900s-1950 | email |
| Rooney | ? | Brooklyn | 1870-? | email |
| Rossiter | ? | ? | ? | email |
| Rourke | ? | Brooklyn | 1870-1899 | email |
| Ryan, Christopher | Tipperary | Bronx | 1910-? | email |
| Ryan | Cork | Bronx | 1897-1902 | email |
| Ryan | Cork | Queens | 1870-1960 | email |
| Ryan | Tipperary | Brooklyn | 1890 | email |
| Ryan | ? | Brooklyn | 1876-1900 | email |
| Ryan | ? | Manhattan | 1840-1900 | email |
| Salter | Cork | Staten Island | 1851 | email |
| Saunders | ? | ? | 1880 | email |
| Savage | Waterford | Manhattan | 1892-1902 | email |
| Scanlon | Cavan | ? | 1870 | email |
| Scanlon | ? | Manhattan | 1870-1880 | email |
| Scanlon | ? | Manhattan | 1860-1900 | email |
| Scott | ? | Manhattan | ? | email |
| Scott | ? | ? | 1935 | email |
| Sealy | Dublin | ? | 1870-1900 | email |
| Seaver, John | Dublin | ? | 1886 | email |
| Semple | Cork | ? | ? | email |
| Shanley | Leitrim | Bronx | 1841 | email |
| Shannon | ? | Manhattan | 1880-1900 | email |
| Shannon | ? | Manhattan | 1880s-1910s | email |
| Sharp | ? | ? | 1900-1950 | email |
| Sharpe | ? | ? | 1900 | email |
| Shaw | Armagh | ? | 1830 | email |
| Shaw | ? | Brooklyn | 1854-1892 | email |
| Sheridan | Cavan | ? | 1730-1748 | email |
| Sheridan | Cavan | Manhattan | 1845 | email |
| Sheridan | ? | Brooklyn | 1881-after 1920 | email |
| Shiels | Down | Brooklyn | late 1800s | email |
| Shields | Down | Manhattan | 1827-1907 | email |
| Shields | Down | Manhattan | 1865-1903 | email |
| Shields | ? | Brooklyn | mid 1800s | email |
| Shields | ? | ? | c1825-1867 | email |
| Shields | ? | ? | 1800-1950 | email |
| Shortt | Louth | Brooklyn | 1800+ | email |
| Skellern | Dublin | Bronx | 1848+ | email |
| Skelly | ? | Brooklyn | 1880 | email |
| Sloan | Antrim | Brooklyn | 1900-1950 | email |
| Sloan | Down | Brooklyn | 1896-1950 | email |
| Smith | Cavan | Manhattan | 1850-1905 | email |
| Smith | Cork | ? | 1850 | email |
| Smith | Wicklow | Manhattan | 1849-1851 | email |
| Smith | ? | Brooklyn | 1860 | email |
| Smith | ? | Staten Island | 1922-1940 | email |
| Spiller | ? | ? | ? | email |
| Stackpole | Waterford | Manhattan | 1849-1900 | email |
| Stafford | Wexford | Brooklyn | 1846-1859 | email |
| Stedman | ? | Manhattan | 1880s-1950s | email |
| Stephenson-Jellie | ? | ? | 1890-1930 | email |
| Stevenson | ? | ? | 1850 | email |
| Stewart | ? | ? | ca. 1800 | email |
| Sullivan | ? | Bronx | ? | email |
| Sullivan | ? | Manhattan | 1880s-1920s | email |
| Sullivan | ? | Manhattan | 1910 | email |
| Sullivan | ? | ? | 1870-1916 | email |
| Sweeny | Leitrim | Manhattan | 1815-1830 | email |
| Sweeney (Dennis) | ? | Brooklyn | 1839-1884 | email |
| Swift | Fermanagh | Manhattan | 1830-1880 | email |
| Talma | ? | Manhattan | 1880 | email |
| Tarsney | ? | ? | 1880-1892 | email |
| Tate | ? | ? | ? | email |
| Teeling | Meath | Brooklyn | 1850s | email |
| Teeling | Meath | Manhattan | 1855-1925 | email |
| Teevan | ? | ? | 1870 | email |
| Thomas | ? | ? | ? | email |
| Thomas | Kerry | Brooklyn | 1868-1873 | email |
| Thomas | Kerry | Brooklyn | 1861-1900 | email |
| Thompson | Down | Staten Island | 1920+ | email |