Mary Jane Mroczek Obituary
It is with great sadness that we announce the death of Mary Jane Mroczek of Menomonee Falls, Wisconsin, who passed away on December 11, 2025, at the age of 88, leaving to mourn family and friends. 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, Valerian Kosmicki and Evelyn Kosmicki; and her husband Norbert Mroczek. She is survived by: her children, Lori, Thomas, Jeff and Mark Mroczek (Kathy); her grandsons, Roman and Samuel Mroczek; and her brother James Kosmicki (Judie). She is also survived by nieces, nephews, other relatives and friends.
In lieu of flowers, memorials to St. Mary Catholic Church in Menomonee Falls would be appreciated.