Turbayne married in London on two occasions. The first in 1906, to Christine Owens and the second, to Millicent Tavener (b.
1884), in 1921. Turbayne and Owens had two sons, William Turbayne (later name change to William Seymour) and John Turbayne, born in 1914, who changed his name to John Seymour.