Career

He represented Kerrobert in the Legislative Assembly of British Columbia from 1912 to 1917 as a Liberal. Watson settled near Lashburn, Saskatchewan, where he operated a general store from 1906 until 1909, when he sold the store. He also worked a homestead in the area.

Watson later moved to Luseland, where he owned a store.

The store burnt around 1914. Watson died in Toronto.