Patterson, Mary Lou (nee Gersitz) - December 2, 2022 - Beloved wife of Richard A. Patterson Sr. Devoted mother of Richard A. Patterson Jr., Robert A. (Debra) Patterson and Cathy (Keith) Normandin. Cherished grandmother of Brittany, Shawna, Nicholas, Julia, Kevin and great grandmother of Bryson, Brooke and Landon. Loving daughter of the late Joseph A. and Louise Gersitz and step daughter of Eleanor Gersitz. Dear sister of Joseph (Marion) Gersitz, Sally (late James)Treanor and the late Patricia Casey and Barbara (Edmund) Lutz. Dearest aunt of many nieces and nephews. The family will receive friends at the C. Mertz and Son Funeral Home, Inc. 911 Englewood Ave. for Memorial Visitations Thursday, December 8th from 4-7 PM. All are invited to attend a Mass of Christian Burial at Blessed Sacrament Church, 263 Claremont Ave., Tonawanda, NY 14223, Friday December 9th at 9:30 AM. In lieu of flowers donations in Mary Lou's memory to Erie County S.P.C.A. Please share condolences at www.mertzfh.com