Sandra J. Kosierb's obituary , Passed away on October 17, 2025 in Dunkirk, New York

Sandra J. Kosierb

April 20, 1946 - October 17, 2025 (79 years old)

Dunkirk, New York

Sandra J. Kosierb's obituary , Passed away on October 17, 2025 in Dunkirk, New York

Funeral arrangement under the care of
Richard Mackowiak Funeral Home

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Sandra J. Kosierb

April 20, 1946 - October 17, 2025 (79 years old)

Dunkirk, New York

Sandra J. Kosierb Obituary

It is always difficult saying goodbye to someone we love and cherish. Family and friends must say goodbye to their beloved Sandra J. Kosierb (Dunkirk, New York), who passed away at the age of 79, on October 17, 2025. You can send your sympathy in the guestbook provided and share it with the family.

She was predeceased by: her mother Cecelia Kucharski-Kosierb. She is survived by: her children, Lisa Vande Velde (Gary) and David Shareno; her granddaughters, Sophia Cecelia Shareno and Harper Lyn Shareno; her sister Kathleen Hatt (Mike); her daughter Amanda Tonelli (Ron); her grandchildren, Cecelia, Estella and Leo; her sister Barbara DeJohn; and her daughter Heather.

Sandra was a registered organ and tissue donor and because of that, her love will live on through her donation to ConnectLife.

Funeral arrangement under the care of
Richard Mackowiak Funeral Home



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500 CHARACTERS

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Apr 18

Celebration of life

Fredonia Beaver Club
64 Prospect St, Fredonia, NY 14063

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