The boundaries expanded ever eastward as the population centre did, but it always included the neighbourhoods of Ainslie Wood, Westdale and downtown Hamilton.

In 1914, it was redefined to consist of the western part of the city of Hamilton described by a line drawn from the brow of the mountain along Dundurn Street, west along Aberdeen Avenue, north along Paradise Road to Cootes Paradise, along the south and east margins of the marsh to Burlington Bay, east along the bay, south along Hughson Street, east along King Street, south along Ferguson Avenue, west along Aberdeen Avenue and the Mountain Brow.

In 1952, it was redefined to consist of the part of the city of Hamilton lying north of the brow of the mountain and west of a line drawn from north to south along Wellington Street and its prolongation south to the brow of the mountain.

In 1976, it was redefined to consist of the part of the City of Hamilton lying west and north of a line drawn south along Wentworth Street from Hamilton Harbour, east along Main Street East, south along Sherman Avenue, and west along the brow of the Mountain to the city limit.

This riding elected the following members of the House of Commons of Canada: On Mr. Wilton's death, 1 February 1937: On Mr. Gibson's appointment as Puisne Judge of the Supreme Court of Ontario, 18 January 1950: Resignation of the Hon.