Mary Lou Stoy Obituary

Name: Visitation
Start: 2025-10-13T22:00:00
End: 2025-10-14T00:00:00
Location: Marshall Marra Funeral Home

We are sad to announce that on October 10, 2025 we had to say goodbye to Mary Lou Stoy of Monongahela, Pennsylvania. You can send your sympathy in the guestbook provided and share it with the family. You may also light a candle in honor of Mary Lou Stoy or send a beautiful flower arrangement to the funeral service.

She was predeceased by: her parents, Howard E. McDonald and Mary Louise McDonald (Nelson); her husband Malcolm L. Stoy; and her siblings, Paul McDonald and Carol Jean McDonald.

She is survived by: her children, David Stoy (Dawn) of Rostraver, Howard Stoy of Jeanette, Laurie Stoy of Monongahela and Maureen Bisceglia (Dean) of Finleyville; her grandchildren, Justin Stoy, Benjamin Stoy (Danielle), Rebecca Vingas (Nick), Samantha, Jeffrey George and Cameron Deyell; and her great grandchildren, Matthew Vingas, Marleigh Stoy and Mary Lou.

Funeral arrangement under the care of
Marshall Marra Funeral Home

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October 13, 2025

Terry & Sandy Jacobs and your friends at Penneco lit a candle

October 13, 2025

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October 14, 2025

Sandy Caine wrote a sympathy message

“Laurie and family, I was so sorry to hear about the loss of your mother, Mary Lou. She always had such a beautiful smile every time I saw her. She will be missed by all. Sending my prayers and thoughts.”