Mary C. Harbach, 78, of Hinesville, Ga., formerly of Macugie, died Jan. 28, 2022, in Lehigh Valley Hospital. Born in Bellefonte, she was the daughter of the late Olive L. (Smith) and Clifford B. Holt Jr.

She was a 1961 graduate of State College High School, a 1965 graduate of Penn State University and a 1966 graduate of Drexel University with a master’s degree in library science.

She worked as a librarian for York College, psychiatric aide for the Allentown State Hospital, secretary for Lehigh Magnetic Imaging, and owned and operated Walnutport Transportation.

She was a member of Solomon’s U.C.C. where she sang with the choir for many years.

She was a member of the Bach Choir in Bethlehem for 29 years and Savannah Philanthropic Chorus from 2014 to 2019.

She is survived by daughters, Erin Lynn, of Hinesville, Ga., Michelle Louise and her husband, Shawn Wannamaker, of Slatington, Elizabeth Anne and her husband, Evgenii Churilor, of Macungie and JoAnna Rebecca and her husband, Jon Constantino, of San Francisco, Calif.; a sister, Carolyn J. Holt, of Hinesville, Ga.; eight grandchildren.

Contributions may be made to Solomon’s U.C.C., or to the Clifford B. Holt Jr. Scholarship Fund, Electrical Engineering, Penn State University.

Funeral services will be held 11 a.m. Feb. 3 in the Schantz Funeral Home, P.C., 250 Main St, Emmaus. Viewing will be 10 to 11 a.m. in the funeral home.