Use the list below to browse our database of baseball players, coaches, and executives with Irish ancestry. Check back often as this list is being updated regularly.
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| Last Name | First Name | Link | DOB | Irish Origin | Generation | MLB Debut | HOF |
|---|---|---|---|---|---|---|---|
| Alonso | Peter | Bio | 12/7/1994 | Donegal | 10th | 3/28/2019 | No |
| Anderson | Sparky | 2/22/1934 | Clare | 10th | 4/10/1959 | Yes | |
| Ashburn | Richie | 3/19/1927 | Antrim | 7th | 4/20/1948 | Yes | |
| Bagwell | Jeff | Bio | 5/28/1968 | Galway | 4th | 4/9/1981 | Yes |
| Bellinger | Cody | 7/13/1995 | Donegal | 10th | 4/25/2017 | No | |
| Biggio | Craig | 12/14/1965 | Tyrone | 4th | 6/26/1988 | Yes | |
| Boggs | Wade | Bio | 6/15/1958 | Dublin | 7th | 4/10/1982 | Yes |
| Bond | Tommy | Bio | 4/2/1856 | Longford | Irish Born | 5/4/1874 | No |
| Bresnahan | Roger | Bio | 6/11/1879 | Limerick | 1st | 8/27/1897 | Yes |
| Brett | George | Bio | 5/15/1953 | Galway | 2nd | 8/2/1973 | Yes |
| Brouthers | Dan | Bio | 5/8/1858 | Cork | 1st | 6/23/1879 | Yes |
| Brown | Mordecai | Bio | 10/19/1876 | Londonderry | 4th | 4/19/1903 | Yes |
| Bryant | Kris | Bio | 1/41992 | Wexford | 7th | 4/17/2015 | No |
| Buckner | Bill | 12/14/1949 | Donegal | 7th | 9/21/1969 | No | |
| Calaghan | Helen | 3/2/31993 | Tipperary, Clare | 3rd | 4/27/1905 | No | |
| Cleary | Joseph | 12/3/1918 | Cork | Irish Born | 8/4/1945 | No | |
| Clemens | Roger | Bio | 8/4/1962 | Leitrim | 5th | 5/15/1984 | No |
| Collins | Eddie | Bio | 5/2/1877 | Cork | 3rd | 6/23/1879 | Yes |
| Collins | Jimmy | Bio | 1/15/1879 | Antrim | 1st | 4/19/1895 | Yes |
| Comiskey | Charles | Bio | 8/15/1849 | Cavan | 1st | 5/2/1882 | Yes |
| Cone | David | Bio | 1/2/1963 | Carlow | 4th | 6/8/1986 | No |
| Connally | Sarge | 8/31/1898 | Donegal | 6th | 9/10/1921 | No | |
| Connor | Roger | Bio | 7/1/1857 | Kerry | 1st | 5/1/1880 | Yes |
| Costas | Bob | 3/22/1952 | Limerick | 3rd | 6/1/1905 | No | |
| Cronin | Joe | Bio | 10/12/1906 | Kerry | 1st | 4/29/1926 | Yes |
| Daily | Hugh | Bio | 7/17/1847 | Cavan | Irish Born | 5/1/1882 | No |
| DeGrom | Jake | Bio | 6/19/1988 | Laois | 5th | 5/15/2014 | No |
| Delahanty | Ed | Bio | 10/30/1867 | Kilkenny | 2nd | 5/22/1888 | Yes |
| Donlin | Mike | Bio | 5/30/1878 | Clare | 1st | 7/19/1899 | No |
| Dowling | Peter | Bio | 07/15/1876 | Wicklow | 1st | 7/17/1897 | No |
| Doyle | Jack | 10/25/1869 | Kerry | Irish Born | 10/25/1869 | No | |
| Duffy | Hugh | 11/26/1866 | Monaghan | 2nd | 6/23/1888 | Yes | |
| Eckersley | Dennis | 10/3/1954 | Armagh | 7th | 8/12/1975 | Yes | |
| Fidrych | Mark | 8/14/1954 | Cork | 4th | 4/20/1976 | No | |
| Ford | Whitey | Bio | 10/21/1928 | Dublin | 3rd | 7/1/1950 | Yes |
| Freehan | Bill | 11/29/1941 | Longford | 4th | 9/26/1961 | No | |
| Galvin | Pud | Bio | 12/25/1855 | Clare | 1st | 5/22/1875 | Yes |
| Gibson | Kirk | 5/28/1957 | Antrim | 8th | 9/8/1979 | No | |
| Glavine | Tom | Bio | 3/29/1966 | Cork | 4th | 8/17/1987 | Yes |
| Gleeson | Jim | 3/5/1912 | Clare | 1st | 4/25/1936 | No | |
| Guidry | Ron | 8/28/1950 | Cork | 8th | 7/27/1975 | No | |
| Hamilton | Billy | 2/16/1886 | Down | 1st | 7/31/1888 | Yes | |
| Hanlon | Ned | Bio | 8/22/1857 | Armagh | 1st | 5/1/1880 | Yes |
| Hodges | Gil | 4/24/1924 | Sligo | 3rd | 10/3/1943 | No | |
| Jennings | Hughie | Bio | 4/2/1869 | Mayo | 1st | 6/1/1891 | Yes |
| Jeter | Derek | Bio | 6/24/1974 | Cork | 5th | 5/29/1995 | Yes |
| Kaline | Al | 12/19/1934 | Antrim | 7th | 6/25/1953 | Yes | |
| Keefe | Tim | Bio | 1/1/1857 | Cork | 1st | 8/6/1880 | Yes |
| Keeler | Willie | Bio | 3/3/1872 | Cork | 1st | 9/30/1892 | Yes |
| Kelley | Joe | Bio | 12/9/1871 | Louth | 1st | 7/27/1891 | Yes |
| Kelly | Michael "King" | 12/31/1857 | Roscommon | 1st | 5/1/1878 | Yes | |
| Kenny | Brian | Bio | 10/18/1963 | Roscommon | 1st | N/A | No |
| Kershaw | Clayton | Bio | 3/19/1988 | Tyrone | 7th | 5/25/2008 | No |
| Killebrew | Harmon | 6/29/1936 | Dublin | 6th | 6/23/1954 | Yes | |
| Leiter | Al | Bio | 10/23/1965 | Antrim | 4th | 9/15/1987 | No |
| Leyland | Jim | 12/15/1944 | Wexford | 3rd | 4/8/1986 | No | |
| Lyle | Sparky | 7/22/1944 | Antrim | 8th | 7/4/1967 | No | |
| Mack | Connie | 12/22/1862 | Kerry | 1st | 9/11/1886 | Yes | |
| Maddux | Greg | 4/14/1966 | Donegal | 6th | 9/3/1986 | Yes | |
| Mauer | Joe | 4/18/1983 | Mayo | 4th | 4/5/2004 | No | |
| McCarthy | Tommy | 7/24/1863 | Kerry | 1st | 8/27/1881 | Yes | |
| McCarthy | Joseph | 4/21/1887 | Limerick | 1st | 4/13/1926 | Yes | |
| McGinnity | Joe | Bio | 3/20/1871 | Dublin | 1st | 4/18/1899 | Yes |
| McGraw | Tug | Bio | 8/30/1944 | Down | 3rd | 4/18/1965 | No |
| McGraw | John | Bio | 4/7/1873 | Tipperary | 1st | 4/26/1891 | Yes |
| McNeil | Jeff | 4/8/1992 | Monaghan | 5th | 7/24/2018 | No | |
| Melvin | Bob | Bio | 10/28/1961 | Cavan | 2nd | 5/25/1985 | No |
| Mize | Johnny | 1/7/1913 | Antrim | 4th | 4/16/1936 | Yes | |
| Molitor | Paul | Bio | 8/22/1956 | Monaghan | 3rd | 4/7/1978 | Yes |
| Mountcastle | Ryan | 2/8/1997 | Donegal | 7th | 8/21/2020 | No | |
| Mullane | Tony | 1/30/1859 | Cork | Irish Born | 8/27/1881 | No | |
| Murphy | Dale | Bio | 3/12/1956 | Dublin | 9th | 9/13/1976 | No |
| Murphy | Johnny | Bio | 7/14/1908 | Kerry | 1st | 5/19/1932 | No |
| Murtaugh | Danny | Bio | 10/8/1917 | Mayo | 2nd | 7/3/1941 | No |
| Nettles | Graig | 8/20/1944 | Tyrone | 4th | 9/6/1967 | No | |
| O'Doul | Lefty | Bio | 3/4/1897 | Limerick | 2nd | 4/29/1919 | No |
| O'Malley | Walter | 10/9/1903 | Mayo | 3rd | 4/25/1905 | Yes | |
| O'Neill | Paul | Bio | 2/25/1963 | Antrim | 3rd | 9/3/1985 | No |
| O'Neill | Tip | 5/15/1860 | Tyrone | 2nd | 5/15/1883 | No | |
| O'Rourke | Jim | Bio | 9/1/1850 | Donegal | 1st | 4/26/1872 | Yes |
| Palmer | Jim | Bio | 10/15/1945 | Leitrim | 1st | 4/17/1965 | Yes |
| Posey | Buster | 3/27/1987 | Antrim | 9th | 9/11/2009 | No | |
| Reese | Pee Wee | 7/23/1918 | Antrim | 7th | 4/23/1940 | Yes | |
| Rendon | Anthony | 6/6/1990 | Kilkenny | 4th | 4/21/2013 | No | |
| Ripken Jr | Cal | Bio | 8/24/1960 | Donegal | 4th | 8/10/1981 | Yes |
| Roush | Edd | 5/8/1893 | Cork | 2nd | 4/20/1913 | Yes | |
| Ryan | Nolan | Bio | 1/31/1947 | Tipperary | 7th | 9/11/1966 | Yes |
| Scherzer | Max | 7/27/1984 | Fermanagh | 4th | 4/29/2008 | No | |
| Score | Herb | Bio | 6/7/1933 | Tyrone | 2nd | 4/15/1955 | No |
| Snitker | Brian | 10/17/1955 | Limerick | 3rd | N/A | No | |
| Steinbrenner | George | Bio | 7/30/1930 | Antrim | 2nd | N/A | No |
| Stengel | Casey | 7/30/1890 | Roscommon | 4th | 9/17/1912 | Yes | |
| Sutton | Don | Bio | 4/2/1945 | Down | 8th | 4/14/1966 | Yes |
| Thompson | Sam | 3/5/1860 | Derry | 5th | 7/2/1885 | Yes | |
| Traynor | Pie | Bio | 11/11/1898 | Down | 2nd | 9/15/1920 | Yes |
| Utley | Chase | 12/17/1978 | Donegal | 9th | 4/4/2003 | No | |
| Verducci | Tom | Bio | 10/23/1960 | Longford | 3rd | N/A | No |
| Walsh | Ed | Bio | 05/14/1881 | Kildare | 1st | 5/7/1904 | Yes |
| Welch | Mickey | Bio | 7/4/1859 | Tipperary | 1st | 5/1/1880 | Yes |
| Werth | Jayson | 5/20/1979 | Antrim | 10th | 9/11/2002 | No | |
| Wilhelm | Hoyt | 7/26/1922 | Cork | 6th | 4/18/1952 | Yes | |
| Yaztremski | Mike | 8/23/1990 | Kerry | 4th | 5/25/2019 | No | |
| Zimmerman | Ryan | 9/28/1984 | Dublin | 7th | 9/1/2005 | No |