Aaron Mark Mattheu Obituary
It is with great sadness that we announce the death of Aaron Mark Mattheu (Milwaukee, Wisconsin), who passed away on May 26, 2026, at the age of 45, 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.
He is survived by: his parents, John Mattheu and Janice Mattheu (Schrantz); his stepmother Barbara Mattheu (Angela Aultman); his brother-in-law Jimmy Aultman; his siblings, Mark Mattheu and Megan McCormick; his stepbrothers, David, Jack and Derrick Densmore; his niece Lillie Aultman; and his nephews, Tommie Cavin III and Miller Aultman. He is also survived by many other family members and friends.
In lieu of flowers, please consider donating to NAMI Wisconsin Support for Mental Health at https://namiwisconsin.org or NAMI Wisconsin, 414 Atlas Ave, Madison, WI 53714.
