 In 1922 Fitton married law clerk Norbert Keck "Tug" Mason in Sydney, where they lived in Chatswood, New South Wales and Potts Point, New South Wales before moving to Berry Street, North Sydney in 1953.She joined the Turret Theatre where she was secretary as well as performer.She helped found The Independent Theatre (known then simply as Independent Theatre) in St James' Hall in 1930, taking its name from the Independent Theatre Society founded in London by J. T. Grein.