HEITZMAN- Mary C. (Holmes) January 31, 1946 – November 17, 2023.  Of Lancaster, NY beloved wife of Paul R. Heitzman; loving mother of Suzanne C. (John) Fridmann, Kathryn (Daniel) Magee and Allyson (Christopher) Markotich; dearest grandmother of Katelyn Fridmann, Abigail (James Lloyd, Joshua and Lucas Markotich; sister of the late Kenneth, late Keith ,late David Holmes and late Shirley Wagner; also survived by nieces and nephews.  A Mass of Christian Burial will be celebrated at St. Mary of the Assumption Church Lancaster, NY Tuesday morning at 11am . No prior visitation ,please assemble at church. In lieu of flowers donations may be made to the Arthritis Foundation.  Share condolences at wendelandloecherinc.com