Mary Jean Haupt, 88, of Warren, PA, passed away on Friday, February 27, 2026, at the Rouse Estate. She was born on January 29, 1938, in Titusville, PA, to the late Annabell and Kenneth Crawford.

She married her husband Richard M. Haupt on November 20, 1955.

Mary was a member of the Kingdom Hall of Jehovah's Witnesses in Warren since 1963. She worked as an Office Administrator at Oakland Cemetery for much of her working life.

Mary is survived by her husband Richard of 70 years; her children, Stevin (Peggy) Haupt and Kevin (Monica) Haupt; her grandchildren, Nicholas (Sarah) Haupt, Jessica (David) Werner, Jeremy (Ashley) Dates, Jenny Hazel, Jamie Anderson-Pearson, and Sarah Short; her many beloved great-grandchildren; and her sister, Vicki (Joe) Cusick.

Mary was preceded in death by her daughter, Kristi, and her sister, Carol.

Funeral arrangements have been entrusted to Peterson-Blick Funeral Home, Inc. A memorial service for Mary will be held at the Kingdom Hall of Jehovah's Witnesses, 201 Pleasant Dr, Warren, PA, 16365, on March 28, 2026, at 3:00PM.

Inurnment will take place at Oakland Cemetery.

Online condolences to Mary’s family may be made at www.petersonblickfuneralhome.com or on our Facebook page.