Leonard F. Mattheiss Obituary
We are sad to announce that, on January 26, 2026 we had to say goodbye to Leonard F. Mattheiss (Berkeley Heights, New Jersey). Leave a sympathy message to the family in the guestbook on this memorial page of Leonard F. Mattheiss to show support.
He was predeceased by: his parents, Margaret Mattheiss and Frederick Mattheiss; his wife Kathryn; his siblings, Charlotte Novak and Fred Mattheiss; his cousin Walter Mattheiss; and his sister-in-law Patricia Hanifin.
He is survived by: his children, Michael Mattheiss of Colorado Springs, CO, Glenn Mattheiss of New York City, Susan Burke (Bill) of Ringoes, NJ, James Mattheiss (Lori) of Millington, NJ and Paul Mattheiss (Melissa Gillow) of Scottsdale, AZ.; his grandchildren, Kaitlyn, Jacob Mattheiss, Devany, Shaylee and Logan Burke; and his pet Cozmo.
In lieu of flowers donations may be made in his memory to The Michael J. Fox Foundation (http://www.michaeljfox.org.).
