He was born in Cramahe Township, Upper Canada in 1814 and educated at Upper Canada College. Keeler was a grain and lumber merchant and also owned a wharf, warehouses and a flour mill at Colborne. He was also the owner of a schooner.
Born in Cramahe Township, Upper Canada in 1814, Keeler received his education at Upper Canada College. As a businessman, he operated as a grain and lumber merchant, owning a wharf, warehouses, and a flour mill in Colborne. He also owned a schooner.