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John Sladek

July 4, 1933 — June 25, 2022

John Sladek

John C. Sladek, 88, of Charlevoix, passed away on June 25, 2022 at Boulder Park Terrace in Charlevoix, MI.

John was born on July 4, 1933 in Chicago, IL, to the late John J. and Rose (Fratrick) Sladek. He was a member of St. Mary’s Catholic Church, Knights of Columbus, and the American Legion.

After serving in the US Army and in the Korean War Conflict, John moved to Northern Michigan. He farmed some while working as a butcher at Olson’s Food Store, and was a mechanic for Bruce Donaldson’s Garage; all before starting his career with USPS. He would go on to work for 35 years as a mail carrier.

John enjoyed bowling, gardening, the outdoors, hunting and fishing, and snowmobiling. His love was camping and traveling with his wife along with spending time with family.

On October 31, 1953, in Charlevoix, John married Beverly Cunningham. They would go on to have five children together.

Surviving John in death are his five children; Barbara (Paul) Mossner of Manchester, IA, James (Rosalie) Sladek of Butte, MT, Kathleen Sladek of Charlevoix, Gerald (Lisa) Sladek of Charlevoix, Joseph (Laural) Sladek of Charlevoix, brother-in-law Anthony Caposieno of Homosassa, FL, sister-in-law Sharon Woodbury of Ironton and Janice Farmer of Charlevoix, eight grandchildren, six great grandchildren, many cousins, nieces, and nephews.

John is proceeded in death by his parents, wife Beverly of nearly sixty-five years, and sister Rosemary Caposieno.

Visitation will take place at the Charlevoix Chapel on Sunday, July 10, from 6-8pm, with a Rosary at 7:30. A Funeral Mass will take place on Monday, June 11, at 11am. Interment will follow the Funeral Mass at St. Mary Catholic Cemetery.

No luncheon will take place after the interment.

Memorial contributions in John’s honor can be made to St. Mary Catholic Church or St. Mary Catholic School.

Sign John’s online guestbook at

Arrangements are in the care of the Charlevoix Chapel of Mortensen Funeral Homes.

To send flowers to the family in memory of John Sladek, please visit our flower store.

Past Services


Sunday, July 10, 2022

6:00 - 8:00 pm (Eastern time)

Winchester Chapel of Mortensen Funeral Homes

209 State St, Charlevoix, MI 49720

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Funeral Service

Monday, July 11, 2022

Starts at 11:00 am (Eastern time)

St. Mary s Catholic Church (Charlevoix)


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