Mark Dana Duffy
March 23, 1950 - November 15, 2025
Mark Dana Duffy, a beloved father, brother, and friend, passed away peacefully on November 15, 2025, at the age of 75. Born on March 23, 1950, in Stillwater, Oklahoma, Mark spent his formative years in Amarillo, Texas. He was a proud graduate... View Obituary & Service Information
