The son of Arthur Henry Stephenson (1867-1955),[2] and Annie Amelia Vevers Stephenson (1865-1903), née Brailey,[3] Percival William Stephenson was born at Malmsbury, Victoria on 5 May 1888.
He married Grace Ermyntrude Lavender (1885-1974) on 9 October 1913.[4][5] They three children, Millicent Lavender Stephenson (1914-),[6] Arthur Lavender Stephenson (1917-2001),[7] and Noel Lavender Stephenson (1920-). Percival Stephenson died in 1962.
Cole, Keith, Sincerity My Guide: A Biography of the Right Reverend P.W. Stephenson (1888-1962), Church Missionary Historical Publications Trust, (Melbourne), 1970.
Webber, Horace (1981). Years May Pass On... Caulfield Grammar School, 1881–1981. Centenary Committee, Caulfield Grammar School, (East St Kilda). ISBN0-9594242-0-2.
Wilkinson, Ian R. (1997). The Fields At Play – 115 years of sport at Caulfield Grammar School 1881–1996. Playright Publishing. ISBN0-949853-60-7.