Dr. Curtiss Dean Farrell, 70, passed away on June 25, 2025, surrounded by his loving family in Sahuarita, Arizona, where he had retired after many cherished years of work and family life in the Siouxland community.Curt was born on January 7, 1955, in Kearney, Nebraska, to Donald and Davine Farrell. Proud of his Midwestern roots, he grew up in Gibbon, Nebraska, where he was a bright, hardworking,…