John M O'Leary’s father was Charles R O'Leary. At sixteen, he was recorded as attending school in 1910. He lived at 92 Groton Ave in Cortland in 1910.
Census sources: 1910 census, 1910: Charles R O'Leary
| Born | About 1894 |
|---|---|
| Race | White |
| Sex | Male |
| Person ID | 1947 |