Stuart Duff Kerr

Stuart Duff Kerr, Jr., a cherished father, grandfather, and great-grandfather, passed away peacefully on July 22nd, 2026, at the age of 97. Born in Cincinnati, Ohio, on November 16, 1928, Duff was the beloved son of Stuart Duff and Doretta Ann Kerr. He was predeceased by his parents and his brother, James Robert Kerr.

Duff’s life was marked by dedication to his family, his career, and his passions. A proud graduate of Western Hills High School in 1946, Duff furthered his education at the University of Cincinnati, where he earned a master's degree in Geology in 1951. His commitment to his studies laid the foundation for a fulfilling career in oil and gas exploration. Duff spent 23 years contributing his expertise at Shell Oil Company before continuing his work as an independent, bringing his career to a close upon retirement.

A veteran of the U.S. Army, Duff served his country with honor, spending time in Japan and the United States. This chapter of his life instilled in him a deep sense of responsibility and service.

On May 22, 1951, Duff married Joan Sue Snoddy, and together they nurtured a loving family. Duff found love again and married Judith Clark Carlson on June 14, 1980, expanding his family with stepchildren Karen and Andrew Carlson, whom he held dear.

Duff’s legacy is carried forward by his children, Ann Kerr Money (David), Thomas Kerr (Jody), Kelsie Kerr (Matt Heckert), and Elizabeth Kerr. He was a proud grandfather to six grandchildren: Jonathan Kerr (Laura), Sean and Dylan Money, Regan Kerr Ross (Kenny) and Marlo Kerr, and Ella Heckert. Duff’s heart was further filled with joy by the arrival of his great-grandchildren, Kamri Kerr and Hank Ross.

Duff was an esteemed member of several professional organizations, including the American Association of Petroleum Geologists (AAPG), the Society for Sedimentary Geology (SEPM), and the Rocky Mountain Association of Geologists (RMAG). His love for the great outdoors led him to the Colorado Mountain Club, where he indulged in his passions for hiking and snow skiing.

The family extends their heartfelt gratitude to the staff of Chelsea Place and Krista Hurst for their compassionate care during Duff’s final days. In lieu of flowers, donations may be made to Dinosaur Ridge or Colorado Water Garden Society in Duff's memory, honoring his passion and commitment to helping others.

Duff’s life was a testament to the power of dedication, love, and passion. His memory will forever be cherished by those who had the privilege of knowing him.