Kerrio's grandfather, also named Vincent, emigrated from Italy to Canada at the start of the twentieth century. Kerrio was born in Niagara Falls and educated at Niagara Falls Collegiate Vocational Institute (NFCVI). Kerrio began working in the family business, then Kerrio Welding Works, in the 1930s. The company became Kerrio and Germano Construction and later Kerrio Construction, and the younger Kerrio its president. He was also the president of the Niagara Falls Curling Club. Kerrio and his wife Rose had two sons, Vincent Anthony and Michael. Vincent Anthony succeeded his father in the family business and became a member of Niagara Falls City Council.[1]
The Ontario Liberal Party, which had been out of office since 1943, formed a minority government after the 1985 provincial election. Kerrio, easily returned in Niagara Falls, was appointed Minister of Natural Resources and Minister of Energy on June 26, 1985.[5] He was retained in the former portfolio after the 1987 provincial election. In 1988, Kerrio prohibited mineral exploration and mining activities in Ontario provincial parks. He banned large-scale water exports from Ontario in 1989. He also oversaw the reintroduction of the wild turkey to Ontario.
Kerrio remained a leading figure in Niagara Falls's Italian community. In addition to Kerrio Construction, his family came to run Car-Mar Manufacturing and Niagara Hospitality Inns. He died on October 30, 2009, at Greater Niagara General Hospital where he had been hospitalized with leukemia for six months.[1] Kerrio's spouse, Rose, died from natural causes on February 7, 2021.