[1] Because of Canada's participation in the Korean War, and because previous legislation governing the participation of active service voters stationed overseas had lapsed,[2] new provision was made to enable the collection of votes of Ontario residents who had returned to active service because of the present conflict.

[3] Legislation governing the functioning of elections[4] and the preparation of voters' lists[5] was also revised.

The Ontario Liberal Party, led by Walter Thomson, lost six seats, but regained the role of official opposition because of the collapse of the CCF vote.

Albert Wren was elected as a Liberal-Labour candidate and sat with the Liberal caucus.

The social democratic Co-operative Commonwealth Federation (CCF), led by Ted Jolliffe, lost all but two of its previous 21 seats with Jolliffe himself being defeated in the riding of York South.