Valmay was born at a place called Karukali, east of Docker River. She is a Luritja lady. Her father was a Pintupi man from Karkurintjinja (Lake Hopkins) and her mother as a pitjantjar. Valmayi grew up in Papunya, and later lived at Haasts Bluff.
Valmayi's late husband was a well-known Papunya Tula artist, his name was Eddie Etimintha. Valmayi moved to Docker River with her second husband in her later years and has painted in Kintore with Papunya Tula