His son, Terry Clancy, participated in ice hockey at the 1964 Winter Olympics and later played for the Toronto Maple Leafs. His great granddaughter, Laura Stacey, won the silver medal at the 2011 IIHF Under 18 women's hockey championships and was a member of the Canadian National Under 18 team that participated in a three-game series vs. the US in August 2011. She would go on to claim a gold medal for the under-18 team at the 2012 IIHF World Women's U18 Championship. She has also won a silver medal at the 2018 Winter Olympics and another one at the 2017 IIHF Women's World Championship. At the 2019 IIHF Women's World Championship she won a bronze medal.