William married Anna Catherine Caswell on 11 Oct 1872 in Detroit, Wayne, Michigan. Anna (daughter of Asa Leonard Caswell and Caroline, daughter of Asa Leonard Caswell and Caroline Caswell) was born about 1856 in New York; and died. [Group Sheet]

1. William Leonard Patch was born on 23 Aug 1873 in New York; died on 7 Apr 1953 in Michigan.
2. Carrie Jane Patch was born in Aug 1876 in Michigan; died in 1947.
3. Bessie Patch was born on 9 Apr 1877 in Bloomfield, Oakland, Michigan; died on 20 Mar 1878 in Bloomfield, Oakland, Michigan.
4. Edward Raymond Patch was born on 9 May 1879 in Oakland, Michigan; died on 8 Jan 1929 in Highland Park, Wayne, Michigan.
5. Howard Patch was born on 17 Dec 1880 in Novesta, Tuscola, Michigan; died on 19 Oct 1883 in Troy, Rensselaer, New York.