Doris E. Yancofski, age 83, wife of the late Joseph Yancofski, of Oaks, PA and formerly Wesley Chapel, FL, passed away on Friday, October 17, 2025 at Chestnut Knoll, Boyertown, PA. Born on August 24, 1942 in Collegeville, PA, she was a daughter of the late Samuel and Margaret (Copenhaver) Williams.

Mrs. Yancofski worked for several information technology companies throughout her career, where she built and installed the circuit boards in computers until her retirement.

She was an avid gardener and she could often be found outside tending to her yard barefoot. She enjoyed biking and walking.

Along with her beloved Joe, she spent many weekends aboard their boat at Lake Wallenpaupack, as well as the previous 18 years in Wesley Chapel, FL, returning in 2023 after Joe's passing.

Mrs. Yancofski is survived by three sons, Daniel Stewart, Jr., husband of Lynne, Edward Stewart, husband of Melanie, and Dennis Stewart, husband of Kay; four grandchildren, Nicole Stewart, Sarah Pusch, wife of Curtis, Melissa Stewart, and Ian Stewart; three great-grandchildren, Lochlan, Harrison, and Everett; one sister, Emily Platchek; and several nieces and nephews. She was preceded in death by one grandson, Zach Stewart.

Relatives and friends are invited to attend her memorial service at the Campbell-Ennis-Klotzbach Funeral Home, 610 Main Street, Phoenixville, PA on Friday, November 7, 2025 at 11:00 am. Burial will take place privately. Friends will be received in the funeral home from 10:00 am - 11:00 am on Friday morning. Arangements are being handled by the Campbell - Ennis - Klotzbach Funeral Home, Inc., Phoenixville, PA. Condolences may be offered online at www.PhoenixvilleFuneralHome.com.