York South—Weston () is a federal electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 1979. In 2015, York South—Weston elected Canada's first MP of Somali descent, Ahmed Hussen. Electoral district Located in the west-end of Toronto, the riding is made up largely of the old City of York, a southwestern portion of the old city of North York, and parts of the old city of Toronto north of High Park. A sizeable portion of the land in the western part of the riding which was previously part of the old City of York was the old village of Weston until that village was absorbed into the City of York in 1968. The riding has a largely working class and immigrant population. Its geographic boundaries are the part of the City of Toronto bounded by a line drawn from Humber River east along Highway 401, south along the Canadian National Railway situated west of Caledonia Road, west along Rogers Road, southeast along Old Weston Road, west along Lavender Road, south along Keele Street, southeast along the Canadian National/Canadian Pacific Railway, west along the Canadian Pacific Railway, and north along the Humber River to Highway 401. Former boundaries York South—Weston was created in 1976 from parts of York South, York West, Davenport, High Park—Humber Valley, and Etobicoke ridings. Its new boundaries were originally of the part of Metropolitan Toronto bounded by a line drawn from Eglinton Avenue West north along Keele Street, west along Lawrence Avenue West, south along the Humber River, east and north along the north limit of the City of Toronto, south along Runnymede Road, east along Annette Street, south along Keele Street, east along Humberside Avenue, northwest along the Canadian National Railway, east along the north limit of the City of Toronto, north along the east side of Prospect Cemetery, and west along Eglinton Avenue West to Keele Street. In 1987, York South—Weston was redefined to consist of the parts of the cities of North York, Toronto and York bounded by a line drawn from the western limit of the City of North York east along Highway 401, south along Keele Street, west along Eglinton Avenue West, south along Keele Street, west along the southern limit of the City of York, southeast along the Canadian National Railway line, west along Dupont Street, northwest along Dundas Street West, west along