Cover photo for John Sierocki's Obituary
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1966 John 2021

John Sierocki

December 4, 1966 — November 10, 2021

John Chester Sierocki, 54, of Cheyenne passed away November 10, 2021 at Cheyenne Regional Medical Center.

He was born December 4, 1966 in Saginaw, Michigan to Chester and Maria Sierocki.  John served honorably in the Army National Guard for 18 years, where he served in Operation Iraqi Freedom and Operation Enduring Freedom. He also was a proud employee of Cheyenne Light, Fuel, and Power where he made many lifelong friends. John had a strong passion for being a “papa”, as he was very loving and involved in his grandchildren’s lives.

He is survived by his wife, Mari Sierocki; children, Jacob (Kaci) Sierocki and Kristin Sierocki; grandchildren, Killian John, Leala, Layne, and Leland; mother, Maria Sierocki; siblings, Kathy Sierocki, Karen Jepson, Nicole Novotny-Smith and Edward Novotny.

He is preceded in death by his father, Chester (Chet) Sierocki.

A memorial service will be held Saturday, November 20, 2021 at 11 a.m. in Lakeview Chapel. Following the service there will be a reception at the VFW Post 1881, 2816 E. 7th Street, Cheyenne, Wyoming.

In lieu of flowers, please consider donations to the Scleroderma Foundation.

Services are under the care of Schrader, Aragon and Jacoby Funeral Home, 2222 Russell Avenue, Cheyenne, Wyoming 82001.

To order memorial trees or send flowers to the family in memory of John Sierocki, please visit our flower store.

Service Schedule

Past Services

Memorial Service

Saturday, November 20, 2021

Starts at 11:00 am (Mountain time)

Lakeview Chapel at Schrader Funeral Home

2222 Russell Ave, Cheyenne, WY 82001

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