Patrick Henry O'Hagan (September 30, 1869 – January 14, 1913) was a Major League Baseball first baseman who played for two seasons. He played for the Washington Senators in 1892 and for the three following teams in 1902: the Chicago Cubs, the Cleveland Bronchos, and the New York Giants.
Hal O'Hagan
| Given name: | Patrick Henry O'Hagan |
| Nicknames: | None |
| Primary Pos: | Firstbase |
| Hght/Wght: | 6'0" / 173 lbs |
| Bats/Throws: | None / R |
| Born: | Sep 30, 1869 in Washington, DC |
| Died: | Jan 14, 1913 in Newark, NJ (43 years old) |
| Debut: | Sep 24, 1892 |