Morris “Mark” Elliot Bass age 60 of Bellevue, NE Morris “Mark” Elliot Bass age 60 of Bellevue, NE passed away on Sunday, December 11, 2022 at River passed away on Sunday, December 11, 2022 at River City Nursing and Rehabilitation in Omaha, NE. Mark City Nursing and Rehabilitation in Omaha, NE. Mark was born on September 18, 1962. was born on September 18, 1962.