Davison won a seat on the Hamilton City Council in 1982, and was re-elected to the provincial legislature in a 1984 by-election, defeating Liberal candidate Lily Oddie Munro by 55 votes.
Davison won a seat on the Hamilton City Council in 1982, and returned to the provincial legislature in a 1984 by-election, which held after Copps resigned her legislative seat to campaign for the Canadian House of Commons. He defeated Liberal candidate Lily Oddie Munro by 55 votes.