A lector and member of Visitation BVM Catholic Church's parish council and its Mother Seton Guild, Clark was also a senior peer counselor for the
Society of Saint Vincent de Paul, a past president of the Johnstown Catholic Forum and the director, for a decade, of the Bishop McCort Alumni Association's annual fundraising drive. A member of the
League of Women Voters of Greater Johnstown, she served as secretary of the Johnstown Parking Authority, was a member of the board of directors of the Senior Activity Center of Johnstown and a member of the advisory board of the Salvation Army. A member of the Johnstown Community Concert Association and the Mercy Hospital Guild, she was also actively involved with the Mercy-Lee Charity Ball Committee. ==Death and interment==