Career
He represented the electoral districts of Yarmouth County, and Argyle in the Nova Scotia House of Assembly from 1974 to 1984. Born in 1946 at Yarmouth, Nova Scotia, Tinkham entered provincial politics in the 1974 election, winning the dual-member Yarmouth County riding with fellow Liberal Fraser Mooney. He was re-elected along with Mooney in the 1978 election.
In the 1981 election, Tinkham was re-elected in the new Argyle riding.
He did not seek re-election in 1984. Following his political career, Tinkham worked as a real estate agent.
