Mary Katherine Doyle, RSMMary Katherine Doyle, RSMKatherine Doyle, RSM, is a member of the Sisters of Mercy, Auburn Regional Community. Trained in history and spirituality, she has spent twenty years studying the life and works of Mary Baptist Russell. She has ministered in education, faith formation and retreat ministries, formerly serving as the Director of Catholic Faith Formation in the Diocese of Sacramento and as Director of Mercy Center Auburn. Currently she continues to work in communications, retreat ministry and spiritual direction.