William McDermott worked as “Plumber” in 1910 (industry “Hardware Co”). He lived at 14 Port Watson St in Cortland in 1910. His brother was John McDermott.
Census sources: 1910 census, 1910: John McDermott
| Born | About 1885 |
|---|---|
| Race | White |
| Sex | Male |
| Person ID | 9795 |