He served in the Legislative Assembly of Ontario as a Liberal from 1975 to 1990, and was a cabinet minister in the government of David Peterson.
Kerrio's grandfather, also named Vincent, emigrated from Italy to Canada at the start of the twentieth century.
Vincent Anthony succeeded his father in the family business and became a member of Niagara Falls City Council.
In 1988, Kerrio approved the expansion of the Red Squirrel logging road, directly through Anishnabe territory in Temagami, Ontario, Canada.
Kerrio was a prominent supporter of the "Beck 3" plan to build a third hydroelectric generating station on the Niagara River.