Obituary of Marsha Koski

Marsha Mary Koski, age 80, of Saginaw, passed away peacefully at home surrounded by family on Saturday, February 21, 2026.

She was born on June 25, 1945 to Max and Ethel “Elaine” Ackerman in Saginaw, Michigan.

Throughout her life, Marsha worked at General Motors - Nodular, Grey Iron, Malleable Iron, and Flint Truck and Bus.  She enjoyed trips to the casino, playing Keno, scrabble and eventually Words with Friends, and bingo with family and friends. She was always up for watching a good movie.

In her own words she raised and educated three beautiful amazing daughters in which she was so proud of and claimed as her greatest accomplishment.  She lived and died on her own terms.

Marsha is survived by her three children, Traci (Mark) Gendregske, Nikki (Paul II) Steffen, and Toni (Don) Sumption; grandchildren, Alex Maturen (Josi Turkstra), Bailey Maturen, Dakota (Kaela) Lamb, Cambell Steffen, Addison Steffen, Keegan Eickholt and Kelsey Sumption; brother, Gary (Shirley) Ackerman; several nieces, nephews, and many close friends.

She was preceded in death by her brother, Maxie Ackerman; sister, Sandra Byron; and their parents.

Memorial visitation will be held on Wednesday, February 25, 2026, from 3:00p.m. until a time of remembrance at 7p.m., at Deisler Funeral Home, 2233 Hemmeter Road, Saginaw, MI 48603. Pastoral associate, Sharon Wahl will officiate.

Memorials in honor of Marsha may be made to the Shriners Children’s Hospital, www.shrinerschildrens.org or to St. Jude Children’s Research Hopsital. www.stjude.org.

For information, please contact Deisler Funeral Home, 989-799-1151. To express condolences, please visit www.deislerfuneralhome.com.

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