| John Kerin | |
| Birth Name: | John Patrick Kerin |
| Birth Date: | March 3, 1875 |
| Birth Place: | Townsend, Massachusetts |
| Death Date: | March 16, 1946 (aged 71) |
| Death Place: | Nashua, New Hampshire |
| Employer: | American League |
| Occupation: | Umpire |
| Years Active: | 1908-1910 |
John Patrick Kerin (March 3, 1875 – March 16, 1946) was an American professional baseball umpire. He umpired 265 American League games from to .[1] Kerin also umpired in the Eastern League and the Southern League from to .[2]
Kerin spent several seasons in the New England League and Eastern League before his major league service.[3]
After a September 1908 Chicago White Sox game, Kerin suffered a broken nose and was unconscious for a few minutes following a punch by an angry fan. The fan, attorney Robert Cantwell, was known locally for his defense of murder cases. Cantwell was later arrested for the assault.[4]
