Joan was born in Swansea on 2nd October 1924. She was the third child of David and Sarah Locke and had two older siblings, Ken and Ena. She joined WRAF as a nurse and met her future husband Dennis Waghorn at an RAF hospital. They were married in 1946 and lived in Tottenham where she had two children, Dave and Jo. In 1949 they changed their surname to Conroy. After the children had left home they sold up and moved to Pembrokeshire. She lived for the last 20 years in a house designed and built by Den , Aros Yma. She died eight weeks after Den on 3rd June 2011.