William R. Mandziara

July 2, 1937 ~ July 7, 2020 (age 83)


William R. “Bill” Mandziara, age 83, of Mars, formerly of Beechview, passed away peacefully on Tuesday evening, July 7, 2020 at UPMC Passavant Hospital in McCandless Twp.

Born in Melcroft, PA on July 2, 1937, he was the son of the late George and Estelle Osinski Mandziara.

Bill was proud of his affiliation with AA, where he was 45 years sober.

A lover of music, Bill played the accordion at many family gatherings, leading the singing and polka dancing.  He faced many physical limitations in his life with strength and dignity and always with a smile on his face.

Loving and dedicated husband to Margaret Morosky Mandziara, who he married on February 1, 1958, father of Jeannine O’Patchen (Richard) of Cranberry Twp., Elizabeth Traverso (Gregg) of Evans City, Laura Kane of Butler, Marcy Zgela (Eric) of West Sunbury and Michelle Reitler (Roger) of Wattersonville, PA.  Treasured Grandfather of Jacqueline, Rachel, Natalie, Michael, Gina, Nick, Tony, Alex and the late Abigail and Kayleigh; great grandfather of Trace and also survived by many nieces and nephews.

He was preceded in death by his siblings, Alfred, John, Victor, Eleanor, Regina, Evelyn, Mary and Loretta.

Friends will be received at the McDonald-Aeberli Funeral Home, Inc. 238 Crowe Ave. Mars, PA 16046 on Friday from 2-4 & 6-8 PM. As per CDC Guidelines, MASKS MUST BE WORN IN THE FUNERAL HOME. A Blessing Service will be held at the funeral home on Saturday at 10:00 AM, with Rev. Charles Bober, pastor of St. Kilian Church, officiating. Burial will be in Mars Cemetery, Adams Twp., PA. Directions and condolences are available at

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