East York
In 1998, East York, along with North York, York, Scarborough, Etobicoke and Old Toronto, were amalgamated into the new "megacity" of Toronto. East York's last mayor was Michael Prue who went on to become city councillor for East York, and then a Member of Provincial Parliament for Beaches—East York in 2001. Between 2002 and 2005, the East York Civic Centre's "True Davidson Council Chamber" was used to hold the Toronto Computer Leasing Inquiry/Toronto External Contracts Inquiry.
York East
In 1947, it was redefined to consist of the part of the county of York lying south of the township of Markham, east of Yonge Street and north of the city of Toronto. In 1952, it was redefined to consist of the township of East York and the part of North York township bounded south of Lawrence Avenue and east of the town of Leaside and Leslie Street.