Colleen D. (Dummer) Christoffersen

Colleen D. Christoffersen, age 65, of Valencia, passed away on Thursday afternoon, May 14, 2026 in the comfort of her home.

Born in Bellevue, PA on March 17, 1961, she was the daughter of the late Edward R. and Mary Eileen Holleran Dummer.

Colleen had been a baker for DiBella's Subs in Cranberry.

Surviving are her husband, Steven M. Christoffersen, who she married on November 18, 1987, two sons, Bob Dummer (Chrissy) of Cranberry Twp. and Mike Christoffersen of Valencia, a sister, Patricia Brunn of Saxonburg and several nieces and a nephew.

She was preceded in death by her sister, Marilyn Werner, her brother, Marty Dummer and two granddaughters, Sydney and Bailey.

A Celebration of Life with a graveside service at Christ Our Redeemer Cemetery in Ross Twp. is being planned and will be announced.

The family requests memorial donations to the Butler County Humane Society, 1015 Evans City Rd. Renfrew, PA 16053.

Arrangements are under the direction of the McDonald-Aeberli Funeral Home, Inc. 238 Crowe Ave. Mars, PA and condolences are available at www.mcdonald-aeberli.com.