Son of Charles Gillmor (1848 - 1921) and Sarah Hanson Gillmor (1851 - 1929)
Husband of Bessie Boyce Gillmor (1880 - 1958)
Brother of Mary Hannah Gillmor (1873 - 1885), Charles Francis Gillmor (1875 - 1954), Edward Lincoln Gillmor (1878 - 1970), Ralph Dugald Gillmor (1886 - 1939), and Florence G Gillmor (1890 - 1956).