Mark C. Honeywell

Honeywell spent his childhood growing up in Wabash, Indiana, and Florida. He had various jobs during his younger years, including working in the citrus and bicycle businesses, and in his father's Wabash mill. He graduated from Eastman Business College in Poughkeepsie, New York, in 1891.

Honeywell was married twice. His first wife, Olive May Lutz, whom he married in 1899, died in 1939 as the result of a fall while on a boating excursion in Florida. In 1942, he married Eugenia (née Hubbard) Nixon, the widow of Don Morrison Nixon, a newspaperman from Wabash, Indiana. Eugenia died on February 8, 1974, in a house fire. Though originally believed to have been a faulty thermostat, the Wabash fire investigator said that there had not been a valve malfunction. In the newspaper Wabash Plain Dealer, fire chief Jack Saril said, "We have not been able to find any other possible causes in the area where we know it started."