Donna M. Dearstyne (nee Heitmann), age 85, of Amherst, New York passed away on Tuesday, June 25, 2024. Donna was the beloved wife of the late Robert C.; cherished mother of Barbara J. (Doug) Olson, Craig R. Dearstyne, and the late Carolyn J. Greis; devoted grandmother of Stephen, Dan, Alissa, Megan, Caitlin and Mike; great grandmother of nine; dear sister in law of Joanne Papp; also survived by nieces and a nephew. Friends may call Sunday, June 30, 2024 from 4-7 PM at the DENGLER & ROBERTS PERNA FUNERAL HOME, 8630 Transit Road East Amherst NY where a gathering will be on Monday, July 1, 2024 at 10 AM and followed by a Celebration of Life Service at 10:30 AM to 11:00 AM, also at the Funeral Home. Donna was a longtime KeyBank manager and actively volunteered with Messinger Woods, Kenmore Citizen’s Police, the Golden Warriors and Elderwood Nursing Home. In lieu of flowers, contributions in Donna's memory may be made to Hospice Foundation, P.O Box 590, Buffalo, New York 14240-0590. https://www.hospicebuffalo.com/give-get-involved/donate-now.