Sandra Dee Callahan, 55, of Millersville, passed away on Sunday, July 22, 2018, at Hospice & Community Care, Mount Joy. Born in Port Jervis, NY, she was a daughter of the late Walter and Anna (Witkowski) Acton. Sandra is survived by her loving husband of 29 years, Sean B. Callahan, her daughter Shannen Franklin and her husband Wayne, and her son, Sean P. Callahan, all of Millersville. She is also survived by three grandchildren; her sisters, Karen Acton and Anne Vandervort, and twin brothers Walter Acton and Bill Acton. A Celebration of Life Gathering will take place on Saturday, July 28, 2018, at the Charles F. Snyder Jr. Funeral Home & Crematory, 3110 Lititz Pike, Lititz, PA 17543, where guests will be received by the family from 10:30 AM to 12:00 Noon.