Career
He was appointed justice of the peace in the Midland District in 1800 and also represented Lennox and Addington in the Legislative Assembly of Upper Canada from 1804 to 1812. He was a captain in the local militia and served during the War of 1812. From 1802 to 1824, Dorland operated a ferry between Adolphustown and Van Alstine"s Mills (Glenora) in Prince Edward County.
He died at Adolphustown in 1832.