
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 |