Donna O'Riley Obituary

With sadness, we share the passing of Donna O'Riley of Waubay, South Dakota. Donna, born on November 8, 1941, passed away on June 14, 2026. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

She was predeceased by: her parents, Edward Seaboy Sr. and Ruby Seaboy (Owen); and her grandparents, David Lee Seaboy, Mary Onihan, Beaman Owen and Julia Sanford Owen.

She is survived by: her children, Todd O'Riley, Kelli O'Riley and Casey O'Riley; her siblings, Sharon Cloud, Bonnie Flammond and Beaman Seaboy; and her former husband Michael O'Riley. She is also survived by 12 grandchildren; 10 great-grandchildren.