William married Anna Mabel Smith in 1903. Anna was born on 11 Feb 1874 in Jersey City, Hudson County, New Jersey, USA; died on 21 Sep 1933 in Lake Placid, Essex County, New York, USA; was buried in Green-Wood Cemetery, Brooklyn, Kings County, New York, USA. [Group Sheet] [Family Chart]

1. Edith Douglass was born about 1905; died in May 1948 in New York, USA.
2. William Shipman Douglass was born in 1907; died on 5 Sep 1923 in 135 George St., New Brunswick, New Jersey, USA; was buried in Green-Wood Cemetery, Brooklyn, Kings County, New York, USA.