| John McGuinness | |
|---|---|
 | |
| First baseman | |
| Born: 1857 Ireland | |
| Died: December 19, 1916 (aged 58–59) Binghamton, New York | |
Batted: Unknown Threw: Unknown | |
| MLB debut | |
| May 6, 1876, for the New York Mutuals | |
| Last MLB appearance | |
| August 7, 1884, for the Philadelphia Keystones | |
| MLB statistics | |
| Batting average | .244 |
| Home runs | 0 |
| Runs scored | 32 |
| Teams | |
| |
John James McGuinness (1857 – December 19, 1916) was an Irish professional baseball player. He played in three seasons in Major League Baseball, 1876 for the New York Mutuals, 1879 for the Syracuse Stars, and 1884 for the Philadelphia Keystones of the Union Association. He was mostly used as a first baseman.