The birth of Cecilia F. Ryan was registered in Paddington, New South Wales, Australia in 1890. Her parents were James Munday Ryan and Annie Florence Ryan, nee Brown. She was married to Roy Billett Constantine Piggot in the Church of St. Martin in Kensington, New South Wales, Australia 0n 05 September 1914. The marriage was divorced in Sydney, New South Wales, Australia on 18 May 1932. Her marriage to Daniel Mendoza Brixton Simmons was registered in Randwick, New South Wales, Australia in 1933. She died in Kensington, New South Wales, Australia on 03 October 1967.