Ada was born in 1898, the daughter of Vicar George Owen (b. 1849) and Minnie C I (1866). She had four other siblings: Charlotte E (b. 1891), Cordelia Evangeline (b. 1892), William L (b. 1893) and Helen Irene (b. 1897). By the 1911 census she is reported as living at The Vicarage in Gobowen.
Ada joined the Shropshire 40 VAD on 24/4/1917 and worked full time as a Clerk at Park Hall Military Hospital, earning 33s/6d.
After the war Ada went down to live in London, and by 1939 she was sharing a flat there with another VAD from Oswestry, Gertrude Minshall. She worked there as an ARP clerk.