Mary Darlene Allen Obituary
It is with great sadness that we announce the death of Mary Darlene Allen (Gillette, Wyoming), who passed away on November 5, 2025, at the age of 87, leaving to mourn family and friends. Family and friends are welcome to send flowers or leave their condolences on this memorial page and share them with the family.
She was predeceased by: her parents, Arthur DeFoe and Borghild DeFoe (Tollefsrud) of Watford City, ND.; her son Donny Petterson; her brother-in-law Jerry Hepp; the father of her children Harold Petterson; and her husband Tom Allen.
She is survived by: her children, Anna Pederson (Eric) of Cook, MN, Brenda (John) of Montigny, Brian Petterson (Jo) of Gillette, WY and Doyle Petterson of Gillette, WY; and her siblings, Roberta Hepp, LeRoy DeFoe (Diane), Jerry DeFoe (JoAnn), Alice Gelling (Dale), Patricia Calkins (Arnie), Patrick DeFoe (Gayle) and Dave DeFoe (Paulette).
