Robert Martin Kiernan, M.D., 70, of Castle Rock, Colorado passed peacefully, surrounded by his family, on June 6, 2018. He was born on June 4, 1948 in Le Mars, Iowa to his parents, Robert Max Kiernan and Sylva Dykstra Kiernan. Marty was a distinguished physician and teacher and touched the lives of countless individuals over the years through his work. He had a deep love for the arts, piano, and especially his beloved family. He is survived by his mother, Sylva Dykstra Kiernan; wife, Susan Chicoine Kiernan; daughters, Mollie (Bart) Pfeifer and Jill (Chris) McCurdy; grandchildren, Max McCurdy, Kai McCurdy, Brynn Pfeifer, and Cal Pfeifer; siblings, Tom Kiernan and John Kiernan, and many other loving family members, colleagues and friends. The Funeral Service will take place at 3:30PM on Monday, June 11, 2018 at Horan & McConaty Funeral Home, 1091 S. Colorado Blvd. Denver, CO 80246. A private interment will take place the following day. In lieu of flowers, please consider a memorial contribution in Robert Martin Kiernanâs name to: Jefferson County Public Health c/o Clinic Programs 645 Parfet St. Lakewood, CO 80215 (303) 232-6301 www.jeffco.us/2100/clinic-services. Please share memories and condolences with the family below.