Son of Mr. Neil McCallum and Agnes McCallum (nee Lamont), of 139 Weir Street, Glasgow, Scotland. Born 1895 in Glasgow, Lanarkshire, Scotland. Hugh settled in South Africa in 1910, aged 16. Occupation was Grocer. Lived in Jeppestown, Johannesburg. His nephew Hugh Crawford McCallum (his namesake) died in service in WW2.