Doris was born on July 28, 1926 in Portland, Oregon to Karl and Pauline Johnson. She graduated from Roosevelt High School in 1949. After graduation Doris worked for the Army Corp of Engineers.
Soon after, she married Jay Thomas and they had three children. They later divorced and Doris remarried Norman Riffle in 1963. Doris went to work for Handy Nursery in Portland for 25 years.
Norman and Doris retired in 1988, where they moved to Rainier, Oregon. This is where she spent the rest of their days enjoying grandchildren, gardening, traveling, senior swim team and walks along the Columbia River.
Doris leaves behind three children and two stepchildren, Darlene and Bob Wampler (Portland), Kristene and Al Guist (Rainier) and Timothy and Beverly Thomas (Portland), Chris and Paul Sabah (Portland), Dorothy and Greg Greenwood (Des Moines, Iowa); 12 grandchildren; 16 great-grandchildren; and two great-great-grandchildren.
Doris will be placed with her husband Norman at Willamette National Cemetery.