Doreen Koss Obituary

The passing of Doreen Koss of Malta, Montana occurred on July 15, 2026. Doreen, born on July 30, 1938, is remembered by those who knew her. Family and friends are welcome to send flowers or leave their condolences on this memorial page and share them with the family.

She was predeceased by: her parents, Arthur Hannaford and Leone Hannaford (Marzolf); and her daughter Bridget Koss-Woods. She is survived by: her sister Sandy Koss of Billings; her brother-in-law Paul Koss (Donna) of Great Falls; her children, Bonny Ost (Doug) of Malta and Wesley Koss (Renee) of Malta; her grandchildren, Mykel Vifquain (Aaron) of Rapid City, SD, Scott Ost (April) of Malta, Zach Ost (Kyla) of Denver, CO, Tony Ost (Sammi) of Great Falls, Eddy Ost (Amanda) of Billings, Tyler Ost (Kaycee) of Malta, Kathy Koss of Malta, Kari Hiebert (Dakota) of Malta and Marcus Woods (Madison) of Malta; and her great grandchildren, Abby, Claire, Jet, Brooklynn, Trevor, Owen, Ryan, Asher, Griffin, Autri, Nassau, Timberlyn, Dayva, Sophia, Briar, Cain, Harvey, Wyatt, Ezekiel and Eliazer. She is also survived by numerous nieces, nephews, and cousins.