Sean Ashton Duff Obituary
We are sad to announce that on April 13, 2025, at the age of 69, Sean Ashton Duff of Fort Collins, Colorado passed away. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his parents, James Duff and Joan Duff. He is survived by: his wife Kathleen McMullen of Fort Collins; his children, Sarah Dreith (Dustin) of Windsor, Shannon Milks (Ryan) of Gibbon, Neb. and Sam of Manitou Springs; his granddaughters, Ryan Dreith, Rory Dreith of Windsor, Payton Milks and Sophie Milks of Gibbon, Neb; his siblings, Kevin Duff (Kim) of Truckee, Calif and Carrie Duff; his sister-in-law Michelle McMullen of Wellington, Colo.; and his close friend Dave MacAdams of California. He is also survived by three nieces and three nephews.
In lieu of flowers or food, the family asks that any donations be made in Sean Duff's name to the Food Bank of Larimer County, where Sean volunteered for years.
