Rosemary Z. Greiner, 68, of Millersville passed away Saturday, December 5, 2015 at her home. Born in Lancaster, PA she was the daughter of the late Bernard and Florence (Fitzgerald) Ziegler. Rosemary was a 1965 graduate of Lancaster Catholic High School and worked at Family Practice Associates and HealthGuard of Lancaster. She worked for several years and retired from the advancement office at Lancaster Catholic High School. She was a hard worker and raised her two children as a single mother. Rosemary was a good friend to many and will be remembered by her laugh, love of life, friendship and ability to gather people together and remain close to her family and friends. She was a devout catholic and was very active with the reunion committee at LCHS and enjoyed travel, spending time at the beach, gardening and tending to her flowers, and was a great caregiver to her late mother Florence. Her biggest joy was spending time with her grandchildren. They were the light of her life. Rosemary was a member of St. Joseph Roman Catholic Church in Lancaster. She is survived by her children Andrew Greiner husband of Kathleen Sacco of Pittsburgh, PA and Anne wife of Steven Manning of Mount Joy, PA; three grandchildren Samantha and Mia Greiner and Seth Manning; two brothers Bernard Ziegler husband of Jane and James Ziegler husband of Ellie both of Lancaster, PA; numerous nieces, nephews and cousins. Rosemary was preceded in death by her brother Kenneth Ziegler. Mass of Christian Burial will be held on Friday, December 11, 2015 at 11AM from St. Joseph Catholic Church, 440 St. Joseph Street, Lancaster, PA 17603. Interment will be held in St. Joseph New Catholic Cemetery, Bausman, PA. An evening viewing will be held on Thursday, December 10, 2015 from 6-8pm from the Charles F. Snyder Funeral Home & Crematory, 414 E. King St. Lancaster, PA 17602 and from 9-10AM on Friday at the funeral home. In lieu of flowers contributions may be made to Lancaster Catholic High School, 650 Juliette Avenue, Lancaster, PA 17601 in her memory.