While still at Annapolis, Kinkaid met Helen Sherburne Ross, the daughter of a Philadelphia businessman. The two were married on 24 April 1911 in the Silver Chapel of St. Mark's Episcopal Church in Philadelphia in a ceremony attended by a small number of guests. Their marriage produced no children. They enjoyed playingcontract bridge and golf, and Helen was the women's golf champion for the District of Columbia in 1921 and 1922.[5]