Mabel Margaret Van Camp (1920 – April 19, 2012) was a Canadian judge who in 1971 became the first woman on the Supreme Court of Ontario.Van Camp was born in 1920 in the farming village of Blackstock, Ontario, to William John Weir and Mary Jane (Smith) Van Camp. She finished high school at age 16, and then became the first person from Blackstock to attend university. At the University of Toronto, she studied liberal arts, with an interest in Latin, English, economics, and history.