one point situated within York County. Governance The seat of government for York County was situated in Toronto (named York prior to 1834) from 1792 to 1953. After the creation of Metropolitan Toronto in 1953, the seat of government for York County was moved to Newmarket. County offices From the 19th century to 1900, the offices of York County were held in various court houses. York County offices were first held at the First York County Courthouse on Front Street and Parliament Street from 1800 to 1813. The First York County Courthouse also housed the Legislative Assembly of Upper Canada.)After the Battle of York, the county officials and legislative assembly met at the home of Major Alexander Montgomery Jr., located on north side of Richmond Street between Yonge and Victoria Streets (now Confederation Life Building). From 1824 to 1845, the county's offices were located at the Second York County Courthouse on Church Street and King Street. From 1852 to 1900, the county offices were located at the Adelaide Court House. From 1900 to 1953, the municipal government of Toronto shared its office space with York County at Toronto's Old City Hall. After the southern portion of York County was severed to form Metropolitan Toronto in 1953, the county's offices were relocated to the Old Newmarket Town Hall and Courthouse. In 1957, the York County Administrative Offices was also opened at 62 Bayview Parkway. Representation in colonial legislatures Upper Canada York County was represented in the Legislative Assembly of Upper Canada by several ridings, initially grouped with neighbouring counties, then for the town of York (York, Upper Canada) and rural parts or York County: Province of Canada York was represented in the Legislative Assembly of the Province of Canada from 1841 to 1867 with rural and town (city after 1834) ridings: Most members were residents in Toronto and did not necessary represent a specific geographical area of York County. See also Greater Toronto Area List of Ontario census divisions Notes References Populated places established in 1792 Populated places disestablished in 1971 1971 disestablishments Former counties in Ontario Regional Municipality of York