Mary C. Poncin nee Russell, 86 years. Beloved wife of the late Erwin Poncin. Loving mother of William (Karen) Poncin, Christine (Gerard) Doran & Mary (John) Callahan. Cherished grandmother of Margaret, Jerry, Matthew, Billy, Julia, and Johnny. Dearest sister of William (Nancy) Russell. Fond aunt of many nieces and nephews. Longtime friend of Mary Hennessey. Funeral Thursday 10:15 am from Thompson & Kuenster Funeral Home, 5570 W. 95th St., to St. Gerald Church, for Mass at 11:00 am. Interment Holy Sepulchre Cemetery. Visitation Wednesday from 5 pm until 7 pm. In lieu of flowers donations may be made to Arcadia at Manor Care Health Services, 7850 W. College Drive, Palos Heights, IL 60463.