Leo was born at Phillips, Franklin, Maine, on 25 February 1908. He was the son of
Norman Franklin Calden and
Cynthia Luellen Wing. He married
Evelyn Pearl Hutchins at Phillips, Franklin, Maine, on 29 July 1927. Leo was divorced from
Evelyn Pearl Hutchins at (Unknown), Maine, circa 1933. He married
Georgina W. Geahigan Delehanty at he of Auburn, she of Lewiston, (Unknown), Androscoggin, Maine, on 30 September 1939. Leo was divorced from
Georgina W. Geahigan Delehanty at (Unknown), Maine. He married
Elinor A. Stewart at (Unknown), Maine, in 1975. He died at Poland, Androscoggin, Maine, on 13 July 1980. His body was interred on 15 July 1980 at Auburn, Androscoggin, Maine.