James married Flora Mary Gohm on 1 Apr 1888 in St. Mary's, Hampton, Middlesex, England. Flora (daughter of Henry Gohm and Martha Haines) was born between 1 Jul 1868 and 30 Sep 1868 in Hampstead, Middlesex, England; died after 1923. [Group Sheet]

1. Robert James Downham was born between 1 Jan 1890 and 31 Mar 1890 in Sunbury, Middlesex, England; was christened on 23 Mar 1890 in St. Mary's, Sunbury upon Thames, Middlesex, England; died about 1920 in Sanatorium, Wincanton, Somerset, England; was buried on 6 Jan 1920 in St. Peter's, Hersham, Surrey, England.
2. Ernest Alfred Downham was born on 4 Jun 1891 in Sunbury, Middlesex, England; died after 1939.