(Petrolia Line and Plank Road)
Opened on July 1, 1880 at Lot 7, Con. 10 Moore, the post office at Sykeston operated until Nov. 1, 1912. The hamlet was named for the Sykes family.
Sources:
Carter, Floreen Ellen. Place Names of Ontario. Vols. 1 & 2. London, Ont.: Phelps Publishing Company, 1984, second printing, 1985. ISBN 0-920298-39-7
Johnston, A. J. Lambton County Names and Places. [s.l.]: Lambton County Council, 1925, revised 1942, second edition.