Joan M. Hauck, 96, of Lancaster, passed away on Monday, October 8, 2018 at the Long Community at Highland. The daughter of the late John A. and Helen Danz Hauck, she was a 1941 graduate of Lancaster Catholic High School and had worked at Penn Dairy for 44 years. She was a member of St. Joseph Catholic Church. The Mass of Christian Burial will be celebrated on Tuesday, October 16, 2018 at 10AM at St. Joseph Catholic Church, 440 St. Joseph St., Lancaster, PA with interment to follow at St. Joseph New Catholic Cemetery.