Gerald G. Sederburg, age 90, of Red Oak, Iowa, passed away Tuesday, April 21, 2026, at Montgomery County Memorial Hospital. Gerald was born May 10, 1935, in Shenandoah, Iowa, the son of Warner and Mary (Hayzlett) Sederburg. He was raised in Red Oak and graduated from Red Oak High School in the class of 1954. He was an Eagle Scout and later attended accounting school in Omaha, Nebraska. Gerald worked with his father doing corn shelling and general trucking. They shelled, ground, and delivered corn. Gerald also started a long career with Iowa Department of Transportation from which he retired. Gerald was united in marriage to Mary Flotho McMullen on April 4, 1975, in Sidney, Iowa. They made their home in Red Oak. During retirement, Gerald enjoyed working for Powell Trucking and Olson Farming. He also enjoyed traveling to Texas and Arizona for many winters and served as camp host at Viking Lake Park for many years. Gerald especially loved camping with friends of the Audubon County Travelers Camping Club. He took great pleasure in volunteering and being a member of the Montgomery County Ag Society for many years. He loved watching his grandchildren show livestock and contributed to many tasks to keep the fair running smoothly. This included running the food booth, running Bingo, cleaning barns, trash pickup, and especially mowing the grounds. Gerald was especially proud of achieving the goal of 51 years of sobriety.

Gerald was blessed to have Carla, Bailey, Elizabeth, Mike, and Ronnie as his dedicated caregivers over the years.

Preceding him in death were his parents and his wife: Mary on July 23, 2019. Survivors include his sister: Sharon Berggren and husband Fred of Nodaway, IA; children: Alisa Andrew and husband Warren of Clarinda, IA; Troy Sederburg and wife Deb of Elliott, IA; D’Ann Poston and husband Rusty of Bedford, IA; and Jana Coughlin and husband Chuck of Elliott, IA; Bryan McMullen and wife Margene of Savannah, MO; Ronnie McMullen and wife Teresa of Littleton, CO; and Carla (McMullen) Foote and husband Mike of Stanton, IA; and many loving grandchildren and great grandchildren.

A celebration of life service will be held at a time to be announced.

LeRette Funeral Chapel is in charge of arrangements.