Davies was born in the Rhondda Valley, Wales and was a comptometer operator at Weldon and Wilkinson in Nottingham.[2] She first represented Wales in 1955.[3] In August 1956, aged 15 and living at Glendon Drive in Sherwood, Nottingham, she became the backstroke champion of Wales.[4]
Swimming for the Nottingham Swimming Club, she subsequently finished sixth in the British Championships in Blackpool[5] before retaining her national title in 1957. She also swam for the Maindee Swimming Club.
She represented the Welsh team[6] at the 1958 British Empire and Commonwealth Games in Cardiff, Wales, where she competed in the 110 backstroke event and helped Wales secure a sixth place finish in the final of the women's 110 yards medley relay, with Geraldine Francis, Jocelyn Hooper, Gillian Howells and Joyce Dixon.[7]
