Marion Dewar Jim Durrell The city of Ottawa, Canada held municipal elections on November 12, 1985.

Riverside Ward alderman Jim Durrell defeated Britannia Ward alderman Marlene Catterall to become the new mayor of Ottawa.

His best ward was Riversdie, which he represented on council, where he won 72% of the vote.

Her strongest ward was Wellington, the only one where she won a majority of the vote.

Catterall was not even able to win her home ward of Britannia, which she lost by 108 votes.