Mark Gengenbacher passed away on Friday August 22, 2025, in LosAngeles, California.  Mark was born June 23, 1967, in Peoria Illinois.  He was preceded in death by his parents Ron and Dodie Gengenbacher.  

  He is survived by his brother Ron(Elaine) Gengenbacher of Aurora and sister Lori (Jeff)Plichta of Streator. Nieces and nephews Max Gengenbacher, Ashley Norbot, Josh Plichta, Jessi Plichta and Jake Plichta. Two great nieces and 1 great nephew, aunts, uncles and many cousins.

  He attended St. Mary’s grade school, Streator High School, and DeVry.  He left Streator in 1987 and moved to California.

  A private family service will be held at a later date.