Thomas married Roberta Amelia Welch, daughter of Arthur Henry Welch and Amelia Henning, in Toronto, Ontario, Canada. (Roberta Amelia Welch was born on 14 Sep 1873 in Toronto, Ontario, Canada 16, died in 1935 in Toronto, Ontario, Canada and was buried in 1935 in St James Cemetry, Toronto, Ontario, Canada.)
