Marie A. Rittenhouse, 93, of Lancaster, PA, passed away on Saturday, October 24, 2015 at Conestoga View. She was the wife the late David E. Rittenhouse, who passed away in 1991. Born in Lancaster, she was the daughter of the late Domenic and Catherine Spadea Geraci. Marie had worked for many years as an assembler at the RCA Corporation in Lancaster. She was a member of St. Mary's Catholic Church and had been a member of the Guys and Dolls Club, the Sacred Heart Hospitality Club, and the St. John Neumann Seniors Group. Marie is survived by her sons: David M. Rittenhouse of West Palm Beach, FL, and Dwain A. Rittenhouse of Las Vegas, NV; her 3 grandchildren: Renee, Justin, and Mason; her brother Frank Geraci and her sisters Rose Myers, Mary Fiorentino, Catherine Corpman, Theresa married to Ronald Caulwell and Margaret married to Nevin Weit, all of Lancaster. Friends will be received on Saturday, October 31, 2015 from 9-10AM at St. Mary's Catholic Church, 119 S. Prince St., Lancaster, PA , with the Mass of Christian Burial to follow at 10AM, the Rev Leo Goodman as Celebrant. Interment to follow in St. Joseph New Catholic Cemetery. In lieu of flowers, please make contributions in Marie's memory to Shriners Hospitals For Children, Office of Development, 2900 Rocky Point Drive, Tampa, FL 33607 (shrinershospitalsforchildren.org) .