William J. "Bill" Bierau

October 31, 1937 ~ September 13, 2021 (age 83)


William J. “Bill” Bierau, age 83, of Richland Twp., Gibsonia, passed away on Monday, September 13, 2021 at his home.

Born in Mars, PA on October 31, 1937, he was the son of the late Carl and Lillian Huntsinger Bierau.

Bill worked as a supervisor for Exxon in Bakerstown for many years.

He belonged to the men’s bowling league in Mars. He enjoyed gardening, golfing, hunting, fishing, and bowling, but above all, he loved spending time with his family.

Surviving are his children, Penni Bierau (fiancé, Larry Hopper) of Guys Mills, PA, Jill Hutton (Martin) of Gibsonia and James Bierau (Jude) of Naples, FL., his grandchildren, Trevor, Brittney, Randy, Brooke, Courtney, and Joshua (Ashley), his great grandchildren, Taylor, John David, Vanessa, Isaac, Alyssa, Randy James, Kaylee, Rylan, Mariah, Gionna, Zoe, Marissa, Seth and Kyle.

Preceded in death by his wife, Judith E. “Judi” Bierau, who he married on July 2, 1965 and died on October 4, 2018, a grandson, Trenton, and a great-grandson, Marque.

Friends will be received at the McDonald-Aeberli Funeral Home, Inc., 238 Crowe Ave. Mars, PA on Friday, September 17th from 1-3 and 5-7 PM. Services will follow at 7:00 PM at the funeral home. Directions and condolences are available at


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