Memorial service for Darvin Olson, 90, of Winterset, will be held at 11:30 a.m., Monday, May 8, 2023 at Caldwell Parrish Funeral Home, Winterset Chapel, where family will greet friends prior, from 10:30 to 11:30 a.m. Burial will follow at 12:30 p.m., at the Iowa Veterans Cemetery. Memorials in Darvin’s name may be directed to EveryStep Hospice in Winterset. Online condolences may be expressed to the family at www.caldwellparrish.com.