Kathleen A. (Flessert) Sincere

Kathleen A. Sincere, age 75, of Two Rivers passed away Saturday, May 23, 2026 at Hamilton Health Center, Two Rivers.

Kathleen was born July 19,1950 in Two Rivers, daughter of the late Earl and Jean (Petrashek) Flessert.  She was a graduate of Mishicot High School with the Class of 1968.  On May 8, 1971 she was united in marriage to Gene G. Schaefer.  He passed away on August 13, 1977.  Kathleen then married Harold J. Sincere on October 11, 1980.  He passed away on  December 27, 2013.

Kathleen worked in the Dietary Department at Shady Lane Nursing Care Center for 25 years before retiring April of 2014.

Kathleen enjoyed flower and vegetable gardening, canning, sewing, crocheting, embroidering and cooking.  Most of all she enjoyed being a Mom, Grandma and Christian being able to worship God in the church where she was confirmed, St. Peter’s Lutheran, Mishicot.

Kathleen is survived by her daughters Mellisa (Bryan) Stafford, Chrissy Vanleishout, two grandsons, Nathan Stafford and William Vanleishout, two brothers, Jim (Donna) Flessert, Larry (Chris) Flessert, and a number of nieces and nephews.

Funeral services will be held at 11:00 a.m. Monday, June 1, 2026 at St. Peter’s Lutheran Church (325 Randolph Street), Mishicot.  Officiating at the service will be the Rev. Joel Stuebs with burial to take place at Knollwood Cemetery following services.

The family will greet relatives and friends at the church from 10:00 a.m. until the time of the services at 11:00 a.m.

Expressions of sympathy may be sent to the family by visiting www.lakeshorefamilyfuneralhomes.com

The Lakeshore Family Funeral Homes, Klein & Stangel Funeral Home location, is assisting the Sincere family with funeral arrangements.

“I wish to thank God for the blessed life he gave me here and to look forward to my forever life in Heaven.”

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