Allen Kozlowski Obituary

We are sad to announce that, on January 4, 2026, at the age of 87, Allen Kozlowski of Menasha, Wisconsin passed away. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

He was predeceased by: his parents, Anna Kozlowski (Napieralla) and Bernard Kozlowski; his wife Barbara Sopel; his grandson Griffin Niemuth; his siblings, Judy and Ken; his parents-in-law, Heinz and Carolyne Sopel; and his siblings-in-law, Lana Sopel and Jon Sopel.

He is survived by: his children, Brenda Gorges, Connie Niemuth, Robert Butelefski (Julienne), Debbie Lemmens (Todd) and David Kozlowski (Sonya); his grandchildren, Miranda, Adam, Ben (Briana), Bryan (Becky), Jordan, Rhiannon, Emerson, Brad (Becky), Amanda (Riley), Michael (Emily), Andy (Ashley) and Ashleigh; his great grandchildren, Vada, Bensen, Lyla, Finn, Calvin, Ryan, Owen, Ashton and Madison; his brother Wayne Kozlowski (Deidre); his sisters-in-law, Sharon Kozlowski and Lorelie Sopel (Jim); Mike Gorges. He is also survived by numerous nieces, nephews, other relatives and close friends.

Memorials may be directed to the family in lieu of flowers.