 In Ottawa on March 5, 1927, Melville married Isobel Hossack Blyth, daughter of James Thorp Blyth and Isabella Evans Thomson (Ontario marriage registration).According to that marriage registration, Melville was a lawyer.Melville and Isobel (1904–1968) are buried in the Beechwood Cemetery, section 49, lot 44 (Beechwood Cemetery burial registers).