Brenda K. Kosmak Obituary
With sadness, we share the passing of Brenda K. Kosmak of Markesan, Wisconsin. Brenda, born on November 17, 1944, passed away on July 17, 2026. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her parents, Lawrence Simon and Maxine Simon (Watson); her husband Michael A. Kosmak; her sister Gloria Rotramel; and her siblings-in-law, Lois Simon, Gloria Connolly, Gerald Brady, John Connolly and Norman Peck.
She is survived by: her son Michael Kosmak (Michelle); her grandchildren, Allie and Anthony Kosmak; her siblings, Larry Simon (Jackie), Vickie Brady and Dale Simon; and her brother-in-law Jerry Rotramel. She is also survived by many nieces and nephews.
The family asks that memorial gifts be made to the Agnesian HealthCare Foundation, 430 E. Division Street, Fond du Lac, WI 54935, or visit givetossmhealth.org/givingfdl.
