James "Jim" K. Schlumbaum, 62, of Sioux City, IA, passed away on Saturday, March 28, 2026.

Jim, the son of Harlan and Carol (Homan) Schlumbaum was born on July 3, 1963, in Sioux City. He was raised in Sioux City and was a graduate of West High School. In his earlier years, he worked various jobs in Sioux City. Those who knew Jim remember him as a vibrant and spirited individual. He was friendly, kind-hearted, and possessed an upbeat, spunky nature that brought joy to those around him. Though health challenges later altered his course, his cheerful disposition remained a defining aspect of his character.

Music was a genuine passion of Jim’s. He enjoyed listening to a wide variety of music, often expressing himself through playing the guitar. He also enjoyed going out to eat. During his younger years, Jim treasured the outdoors—spending time fishing, engaging in lively conversations with others, and going on vacations with his parents.

Jim is survived by his brother, Robert F. "Bob" Schlumbaum and wife Jodi. He is also remembered by his nieces and nephews and their families, including Alex Bochman and her husband David, along with their children Khloe, Maggie, Baler, and Barrett; Hannah Nadwick and her husband Logan; and Makenna Schlumbaum.

He was preceded in death by his parents and his maternal and paternal grandparents.

A visitation will be held on Saturday, April 18, 2026, at Meyer Brothers Morningside Chapel, located at 6200 Morningside Avenue in Sioux City, from 1:00 p.m. to 2:00 p.m with a Celebration of Life starting at 2:00 p.m. Following the service, there will be a luncheon and time of fellowship.