Robert B. Barnum married Hilda Kirkland Hall, daughter of Mr. & Mrs. Frederick Hall on June 18, 1938, in Peterboro, Ontario, Canada according to an article in the Daily Messenger, Canandaigua, NY, June 24, 1938. He apparently later married Marion [Unknown].
Summarized from the Orlando Sentinel of October 18, 1985: Robert B. Barnum, 71, New Smyrna Beach died Wednesday. Born in Centerville, NY, he moved to New Smyrna Beach in 1975 from New York State. He was a retired pipe fitter with Eastman Kodak. Survivors, wife, Marion, son, David, daughters Karen Mason and Nancy Barnum, stepchildren and sister, Faith Norton.