At the age of 18, on 12 November 1879, Edith married James Cowan, then Registrar of the Supreme Court. They lived at Scotstoun, 71 Malcolm Street, West Perth for most of their lives, but are also well known for having one of the first houses in Avonmore Terrace, Cottesloe, where they lived from 1896 to 1912.[4] Cowan was married in St George's Cathedral, Perth, Perth.