Cover photo for Dennis D. Olson's Obituary
Dennis D. Olson Profile Photo
1946 Dennis 2018

Dennis D. Olson

August 5, 1946 — January 18, 2018

Dennis D. Olson, 71, of Humboldt, passed away January 18, 2018 at the Humboldt County Memorial Hospital. A Mass of Christian Burial will be 11:00 a.m. Wednesday, January 24, 2018 at St. Mary’s Catholic Church in Humboldt. Burial will be in St. Mary’s Cemetery, Humboldt, with full military rites by Adams American Legion Post 119 and Sathers-Odgaard VFW Post 5240. Visitation is from 5-8 p.m. Tuesday at the Mason-Lindhart Funeral Home in Humboldt with a parish rosary at 5 p.m.
Dennis Dean Olson, the son of Elmer and Myrna Louise (Calhoun) Olson, was born August 5, 1946 in Carroll, Iowa. He was raised in Lytton, Iowa and graduated from Sac City High School with the class of 1965. In November of 1965, Denny enlisted into the United States Navy. He was stationed in San Diego and served aboard the USS Nereus. Following his honorable discharge, Denny returned to Iowa and went to work for Iowa Industrial Hydraulics in Pocahontas. He retired in 1998 due to health concerns after nearly 30 years of service.
On June 25, 1983, Denny was united in marriage to Jan Thul and the couple made their home in Humboldt for all of their married lives.
Denny was a member of St. Mary’s Catholic Church. While in high school, he excelled at track and got 2nd in the 100 yard dash at the state meet his senior year. He loved fishing, camping and hunting. He enjoyed listening to music and was an avid NASCAR fan. He was known as a perfectionist who liked to work with his hands and could fix anything. Above all, he loved spending time with his family and was very proud of his children and grandchildren.
Denny is survived by his wife of 34 years, Jan Olson of Humboldt; his children, Lee (Laura) Thul of Woodridge, VA, Julie (Paul) Ostby of Mt. Pleasant, Jeremy (Heather) Olson of Stevenson Ranch, CA, and Joshua (Cassie) Olson of Humboldt; 12 grandchildren, Taylor, Kristen and Casey Thul, Brittan, Zach, Anna and Kolbein Ostby, Brayden and Brenner Elliott and Owen Olson and Peyton and Emmett Olson; and mother-in-law, Betty Thul of Humboldt. He was preceded in death by his parents Elmer and Myrna Louise (Calhoun) Olson; grandparents Harold and Hazel (Swearingen) Calhoun; father-in-law, Richard Thul; and brother-in-law, Mark Elbert.
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Service Schedule

Past Services


Tuesday, January 23, 2018

5:00 - 8:00 pm (Central time)

Mason-Lindhart Funeral Home - Humboldt

612 Second Avenue South, Humboldt, IA 50548

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