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 | 12/7/1994 | Donegal | 10th | 3/28/2019 | No | |
| Anderson | Sparky | 2/22/1934 | Clare | 10th | 4/10/1959 | Yes | |
| Archer | Jimmy | 5/13/1883 | Dublin | Irish Born | 9/6/1904 | No | |
| Ashburn | Richie | 3/19/1927 | Antrim | 7th | 4/20/1948 | Yes | |
| Bagwell | Jeff | 5/28/1968 | Galway | 4th | 4/9/1981 | Yes | |
| Bellinger | Cody | 7/13/1995 | Donegal | 10th | 4/25/2017 | No | |
| Biggio | 12/14/1965 | Tyrone | 4th | 6/26/1988 | Yes | ||
| Blackmon | Charlie | 7/1/1986 | Antrim | 10th | 6/7/2011 | No | |
| Boggs | Wade | 6/15/1958 | Dublin | 7th | 4/10/1982 | Yes | |
| Bond | Tommy | 4/2/1856 | Longford | Irish Born | 5/4/1874 | No | |
| Brett | George | 5/15/1953 | Galway | 2nd | 8/2/1973 | Yes | |
| Bresnahan | Roger | 6/11/1879 | Limerick | 1st | 8/27/1897 | Yes | |
| Brouthers | Dan | 5/8/1858 | Cork | 1st | 6/23/1879 | Yes | |
| Brown | Mordecai | 10/19/1876 | Derry | 4th | 4/19/1903 | Yes | |
| Bryant | Kris | 1/41992 | Wexford | 7th | 4/17/2015 | No | |
| Buckner | Bill | 12/14/1949 | Donegal | 7th | 9/21/1969 | No | |
| Callaghan | Helen | 3/2/31993 | Tipperary, Clare | 3rd | 4/27/1905 | No | |
| Clark | Will | 3/13/1964 | Kildare | 4th | 4/8/1986 | No | |
| Clarkson | John | 7/1/1861 | Clare | 1st | 5/2/1882 | Yes | |
| Claxton | Jimmy | 12/14/1892 | Limerick | 9th | 3/3/1970 | No | |
| Cleary | Joseph | 12/3/1918 | Cork | Irish Born | 8/4/1945 | No | |
| Clemens | Roger | 8/4/1962 | Leitrim | 5th | 5/15/1984 | No | |
| Collins | Bill | 2/5/1905 | Dublin | Irish Born | 8/1/1877 | No | |
| Collins | Eddie | 5/2/1877 | Cork | 3rd | 6/23/1879 | Yes | |
| Collins | Jimmy | 1/15/1879 | Antrim | 1st | 4/19/1895 | Yes | |
| Comiskey | Charles | 8/15/1849 | Cavan | 1st | 5/2/1882 | Yes | |
| Cone | David | 1/2/1963 | Carlow | 4th | 6/8/1986 | No | |
| Conlan | Jocko | 12/6/1899 | Kilkenny | 2nd | 7/6/1934 | Yes | |
| Conlon | PJ | 11/11/1993 | Antrim | Irish Born | 5/7/2018 | No | |
| Connally | Sarge | 8/31/1898 | Donegal | 6th | 9/10/1921 | No | |
| Connolly | Tommy | 12/31/1870 | Mayo | 1st | 3/14/1905 | Yes | |
| Connor | Roger | 7/1/1857 | Kerry | 1st | 5/1/1880 | Yes | |
| Corcoran | Larry | 8/10/1859 | Meath | 1st | 5/1/1880 | No | |
| Costas | Bob | 3/22/1952 | Limerick | 3rd | 6/1/1905 | No | |
| Curran | John | 1/25/1905 | Kerry | Irish Born | 9/12/1876 | No | |
| Cronin | Joe | 10/12/1906 | Kerry | 1st | 4/29/1926 | Yes | |
| Daily | Hugh | 7/17/1847 | Cavan | Irish Born | 5/1/1882 | No | |
| Daniels | Peter | 4/8/1864 | Cavan | Irish Born | 4/19/1890 | No | |
| Deasly | Pat | 11/17/1858 | Dublin | Irish Born | 5/18/1881 | No | |
| DeGrom | Jake | 6/19/1988 | Laois | 5th | 5/15/2014 | No | |
| Delahanty | Ed | 10/30/1867 | Kilkenny | 2nd | 5/22/1888 | Yes | |
| Desmond | Ian | 9/20/1985 | Cavan | 5th | 9/10/2009 | No | |
| Dickey | Bill | 6/6/1907 | Antrim | 3rd | 8/15/1928 | Yes | |
| Dineen | Bill | 4/5/1876 | Cork | 1st | 4/22/1898 | No | |
| Donlin | Mike | 5/30/1878 | Clare | 1st | 7/19/1899 | No | |
| Donovan | Patsy | 3/16/1865 | Cork | Irish Born | 4/19/1890 | No | |
| Dorgan | Mike | 10/2/1853 | Cork | 1st | 5/8/1877 | No | |
| Dowling | Peter | 07/15/1876 | Wicklow | 1st | 7/17/1897 | No | |
| Dowse | Tom | 8/12/1866 | Leitrim | Irish Born | 4/21/1890 | No | |
| Doyle | Conny | 2/4/1905 | Kerry | Irish Born | 6/23/1883 | 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 | |
| Farmer | Bill | 2/13/1864 | Dublin | Irish Born | 5/1/1888 | No | |
| Fields | Jocko | 10/20/1864 | Cork | Irish Born | 5/31/1887 | No | |
| Fidrych | Mark | 8/14/1954 | Cork | 4th | 4/20/1976 | No | |
| Flynn | Mike | 3/15/1872 | Kildare | Irish Born | 8/31/1891 | No | |
| Foley | Curry | 1/16/1856 | Kerry | Irish Born | 5/13/1879 | No | |
| Ford | Whitey | 10/21/1928 | Dublin | 3rd | 7/1/1950 | Yes | |
| Freehan | Bill | 11/29/1941 | Longford | 4th | 9/26/1961 | No | |
| Freeman | Freddie | 9/12/1989 | Dublin | 6th | 9/1/2010 | No | |
| Galvin | Pud | 12/25/1855 | Clare | 1st | 5/22/1875 | Yes | |
| Garvey | Steve | 12/22/1948 | Louth | 3rd | 9/1/1969 | No | |
| Gibson | Kirk | 5/28/1957 | Antrim | 8th | 9/8/1979 | No | |
| Glavine | Tom | 3/29/1966 | Cork | 4th | 8/17/1987 | Yes | |
| Gleeson | Jim | 3/5/1912 | Clare | 1st | 4/25/1936 | No | |
| Grove | Lefty | 3/6/1900 | Derry | 8th | 4/15/1925 | Yes | |
| Guidry | Ron | 8/28/1950 | Cork | 8th | 7/27/1975 | No | |
| Hallinan | Jimmy | 5/27/1849 | Dublin | Irish Born | 7/26/1871 | No | |
| Hamilton | Billy | 2/16/1886 | Down | 1st | 7/31/1888 | Yes | |
| Hanlon | Ned | 8/22/1857 | Armagh | 1st | 5/1/1880 | Yes | |
| Hernandez | Keith | 10/20/1953 | Kerry | 9th | 8/30/1974 | No | |
| Hines | Mike | 9/1/1862 | Kerry | Irish Born | 5/1/1883 | No | |
| Hodges | Gil | 4/24/1924 | Sligo | 3rd | 10/3/1943 | No | |
| Horan | Patrick | Clare | Irish Born | 5/17/1884 | No | ||
| Hosmer | Eric | 10/24/1989 | Laois | 4th | 5/6/2011 | No | |
| Hubbard | Cal | 10/31/1900 | Kerry | 9th | 4/19/1905 | Yes | |
| Jennings | Hughie | 4/2/1869 | Mayo | 1st | 6/1/1891 | Yes | |
| Jeter | Derek | 6/24/1974 | Cork | 5th | 5/29/1995 | Yes | |
| Joyce | Jim | 10/3/1955 | Galway | 4th | 5/23/1987 | No | |
| Kaline | Al | 12/19/1934 | Antrim | 7th | 6/25/1953 | Yes | |
| Keefe | Tim | 1/1/1857 | Cork | 1st | 8/6/1880 | Yes | |
| Keeler | Willie | 3/3/1872 | Cork | 1st | 9/30/1892 | Yes | |
| Kelley | Joe | 12/9/1871 | Louth | 1st | 7/27/1891 | Yes | |
| Kelly | Michael "King" | 12/31/1857 | Roscommon | 1st | 5/1/1878 | Yes | |
| Kenny | Brian | 10/18/1963 | Roscommon | 1st | N/A | No | |
| Kershaw | Clayton | 3/19/1988 | Tyrone | 7th | 5/25/2008 | No | |
| Killebrew | Harmon | 6/29/1936 | Dublin | 6th | 6/23/1954 | Yes | |
| Leiter | Al | 10/23/1965 | Antrim | 4th | 9/15/1987 | No | |
| Leonard | Andy | 6/1/1846 | Cavan | Irish Born | 5/5/1871 | No | |
| Leyland | Jim | 12/15/1944 | Wexford | 3rd | 4/8/1986 | No | |
| Lucid | Con | 2/24/1874 | Dublin | Irish Born | 5/1/1893 | No | |
| Lyle | Sparky | 7/22/1944 | Antrim | 8th | 7/4/1967 | No | |
| Mack | Connie | 12/22/1862 | Kerry | 1st | 9/11/1886 | Yes | |
| Mack | Reddy | 5/2/1866 | Down | Irish Born | 9/16/1885 | No | |
| Maddux | Greg | 4/14/1966 | Donegal | 6th | 9/3/1986 | Yes | |
| Mauer | Joe | 4/18/1983 | Mayo | 4th | 4/5/2004 | No | |
| Malone | Fergy | 1/17/1905 | Tipperary | Irish Born | 5/20/1871 | No | |
| McCarthy | Joseph | 4/21/1887 | Limerick | 1st | 4/13/1926 | Yes | |
| McCarthy | Tommy | 7/24/1863 | Kerry | 1st | 8/27/1881 | Yes | |
| McCullough | Charlie | 2/8/1905 | Dublin | Irish Born | 4/13/1898 | No | |
| McDougald | Gil | 5/19/1928 | Waterford | 4th | 4/20/1951 | No | |
| McDowell | Sam | 9/21/1942 | Kerry | 3rd | 9/15/1961 | No | |
| McGinnity | Joe | 3/20/1871 | Dublin | 1st | 4/18/1899 | Yes | |
| McGowan | Bill | 1/18/1896 | Derry | 1st | 4/8/1905 | Yes | |
| McGraw | Tug | 8/30/1944 | Down | 3rd | 4/18/1965 | No | |
| McGraw | John | 4/7/1873 | Tipperary | 1st | 4/26/1891 | Yes | |
| McGuinness | John | 1/30/1905 | Dublin | Irish Born | 5/6/1876 | No | |
| McGwire | Mark | 10/1/1963 | Cork | 5th | 4/20/1986 | No | |
| McIlveen | Irish | 7/27/1880 | Down | Irish Born | 7/10/1906 | No | |
| McLaughlin | Barney | 2/4/1905 | Antrim | Irish Born | 2/13/1921 | No | |
| McManus | Pat | 10/18/1859 | Dublin | Irish Born | 5/22/1879 | No | |
| McNeil | Jeff | 4/8/1992 | Monaghan | 5th | 7/24/2018 | No | |
| Melvin | Bob | 10/28/1961 | Cavan | 2nd | 5/25/1986 | No | |
| Mize | Johnny | 1/7/1913 | Antrim | 4th | 4/16/1936 | Yes | |
| Molitor | Paul | 8/22/1956 | Monaghan | 3rd | 4/7/1978 | Yes | |
| Morrill | John | 2/19/1855 | Kerry | 1st | 4/24/1876 | No | |
| Mountcastle | Ryan | 2/8/1997 | Donegal | 7th | 8/21/2020 | No | |
| Muldoon | Mike | 4/9/1858 | Westmeath | Irish Born | 1/30/1917 | No | |
| Mullane | Tony | 1/30/1859 | Cork | Irish Born | 8/27/1881 | No | |
| Murnae | Tim | 6/4/1851 | Tipperary | 1st | 4/26/1872 | Yes | |
| Murphy | Dale | 3/12/1956 | Dublin | 9th | 9/13/1976 | No | |
| Murphy | Johnny | 7/14/1908 | Kerry | 1st | 5/19/1932 | No | |
| Murtaugh | Danny | 10/8/1917 | Mayo | 2nd | 7/3/1941 | No | |
| Needham | Tom | 4/17/1879 | Cork | Irish Born | 5/12/1904 | No | |
| Nettles | Graig | 8/20/1944 | Tyrone | 4th | 9/6/1967 | No | |
| Nicholl | Sam | 4/20/1869 | Antrim | Irish Born | 10/5/1888 | No | |
| O'Connor | Johnny | 12/1/1891 | Kerry | Irish Born | 9/16/1916 | No | |
| O'Connor | Paddy | 10/4/1879 | Kerry | Irish Born | 4/17/1908 | No | |
| O'Day | Hank | 7/8/1859 | Clare | 1st | 5/2/1884 | Yes | |
| O'Doul | Lefty | 3/4/1897 | Limerick | 2nd | 4/29/1919 | No | |
| O'Hearn | Ryan | 2/8/1997 | Cork | 5th | 7/31/2018 | No | |
| O'Loughlin | Pat | 2/2/1905 | Clare | Irish Born | 5/9/1883 | No | |
| O'Malley | Walter | 10/9/1903 | Mayo | 3rd | 4/25/1905 | Yes | |
| O'Neill | Jack | 1/10/1873 | Galway | Irish Born | 4/21/1902 | No | |
| O'Neill | Mike | 10/5/1877 | Galway | Irish Born | 9/20/1901 | No | |
| O'Neill | Paul | 2/25/1963 | Antrim | 3rd | 9/3/1985 | No | |
| O'Neill | Tip | 5/15/1860 | Tyrone | 2nd | 5/15/1883 | No | |
| O'Rourke | Jim | 9/1/1850 | Donegal | 1st | 4/26/1872 | Yes | |
| Palmer | Jim | 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 | 8/24/1960 | Donegal | 4th | 8/10/1981 | Yes | |
| Rizzo | Anthony | 8/8/1989 | Antrim | 5th | 6/9/2011 | No | |
| Roush | Edd | 5/8/1893 | Cork | 2nd | 4/20/1913 | Yes | |
| Ryan | Nolan | 1/31/1947 | Tipperary | 7th | 9/11/1966 | Yes | |
| Scherzer | Max | 7/27/1984 | Fermanagh | 4th | 4/29/2008 | No | |
| Score | Herb | 6/7/1933 | Tyrone | 2nd | 4/15/1955 | No | |
| Scully | Vin | 11/29/1997 | Cavan | 1st | 5/3/1905 | No | |
| Snitker | Brian | 10/17/1955 | Limerick | 3rd | N/A | No | |
| Steinbrenner | George | 7/30/1930 | Antrim | 2nd | N/A | No | |
| Stengel | Casey | 7/30/1890 | Roscommon | 4th | 9/17/1912 | Yes | |
| Sutton | Don | 4/2/1945 | Down | 8th | 4/14/1966 | Yes | |
| Thompson | Sam | 3/5/1860 | Derry | 5th | 7/2/1885 | Yes | |
| Traynor | Pie | 11/11/1898 | Down | 2nd | 9/15/1920 | Yes | |
| Trout | Mike | 8/7/1991 | Limerick | 10th | 7/8/2011 | No | |
| Turner | Trea | 6/30/1993 | Antrim | 5th | 8/21/2015 | No | |
| Utley | Chase | 12/17/1978 | Donegal | 9th | 4/4/2003 | No | |
| Verducci | Tom | 10/23/1960 | Longford | 3rd | N/A | No | |
| Walsh | Ed | 05/14/1881 | Kildare | 1st | 5/7/1904 | Yes | |
| Welch | Mickey | 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 |