In 1933, it was redefined to exclude the part of the city lying south of a line from Wellington Street east along Concession Street, north along Sherman Avenue, east along the brow of the mountain to the city limit.

In 1976, it was redefined to consist of the part of the City of Hamilton bounded on the east by Red Hill Creek, on the south by the brow of the Mountain, and on the west by a line drawn north along Sherman Avenue, west along Main Street East, and north along Wentworth Avenue.

In 1987, it was redefined to consist of the part of the City of Hamilton lying within the following limits: commencing at the intersection of the easterly limit of the said city with Queenston Road; thence westerly along Queenston Road to Redhill Creek; thence southwesterly along Redhill Creek to the brow of the Niagara Escarpment; thence northerly and westerly along said brow to the southerly production of Sherman Avenue; thence northerly along said production to and along Sherman Avenue to Cannon Street; thence westerly along Cannon Street to Wentworth Street; thence northerly along Wentworth Street and its northerly production to the northerly limit of the City of Hamilton; thence easterly and southerly along the northerly and easterly limits of said city to the point of commencement.

In 1996, it was redefined to consist of the part of the City of Hamilton bounded by a line drawn from the eastern limit of the city along Queenston Road, south along Redhill Creek, north and west along the brow of the Niagara Escarpment, north along Wentworth Street, west along Main Street, north along Wellington Street, east along Burlington Street, north along the spur line of the Canadian National Railway to the northern city limit.

This riding has elected the following members of Parliament: On Mr. Rennie's death, 13 October 1930: Resignation of Sheila Copps, 1 May 1996: