On 10 Apr 1915 William Theodore married
Mary Eva Macy, daughter of
Samuel Macy (6 Mar 1840-18 Mar 1915) &
Rebecca E. Paxson (20 Apr 1843-8 Apr 1911), in Fairfield, Jefferson County, Iowa.
Born on 5 Nov 1875 in Penn Township, Jefferson County, Iowa. Mary Eva died in Ames, Story County, Iowa, on 29 Jan 1952; she was 76.