The Society was was formed in 1986 as a Branch of the Western Australia Genealogical Society (WAGS). In 2000 WAGS decided to disband its Branch system. The Mandurah Family History Society was formed in 2001. Their mission is to promote and develop the study of family history, genealogy and allied subjects. They aim to encourage and assist members and the general public with their research, recording and writing of their family history.