James married Sarah Jane Brimson on 24 May 1891 in Albany, , Western Australia, Australia. Sarah (daughter of Robert Tanner Brimson and Susannah Waldock) was born on 14 Jan 1872 in Middle Swan, , Western Australia, Australia; died on 28 Sep 1951 in Perth, , Western Australia, Australia. [Group Sheet] [Family Chart]

1. Sylvia Thomas was born about 1892; and died.
2. Hilda Thomas was born on 21 May 1893; and died.
3. Elsie Mona Thomas was born on 22 May 1895; died on 9 Feb 1988.
4. Arleen Alice Thomas was born on 8 Jun 1903; died on 7 Jul 1982.
5. Ivy Merolia Thomas was born on 24 Feb 1905; died on 15 Apr 1973.
6. Doreen Queenie Thomas was born on 6 May 1907; died on 26 Dec 1952.
7. Laurence James Thomas was born on 19 Jul 1908; died on 10 Jan 1935.
8. Constance May Wirindah Thomas was born on 10 Nov 1910; died on 26 Dec 1984.