Dr. Marvin and Betty Nielsen

Dr. Marvin L. Nielsen, 91, of Tucson, AZ, passed away peacefully at home on February 19, 2026. Marvin was preceded in death by his beloved wife, Betty, 85, on September 29, 2025. Marvin was a loved husband, father, grandfather, friend, and Veterinarian; Betty was a cherished wife, mother,...