 Riley's son, Billy Jr., was killed in a motor vehicle accident in 2011 in Moncton at age 35.In 2017, after seeing a segment on Hockey Night in Canada about Toronto Maple Leafs legend Bill Barilko, Riley sent his daughter Tracey, who lived in Timmins, to the site of Barilko's grave to clean his tombstone.As a player, he won a Calder Cup in 1982 with the New Brunswick Hawks.