Donald Knowlton Obituary

It is with deep sorrow that we announce the death of Donald Knowlton of Charles City, Iowa, who passed away on January 3, 2026, at the age of 90, leaving to mourn family and friends. You can send your sympathy in the guestbook provided and share it with the family. You may also light a candle in honor of Donald Knowlton or send a beautiful flower arrangement to the funeral service.

He was predeceased by: his parents, John Knowlton and Carrie Knowlton (Olson); his brother-in-law Robert Patten; and his niece Debra Watson. He is survived by: his daughter JoAnn; his wife JoAnn of Charles City; his daughters, Kirsten Field (Joe) of Charles City and Jessica Huston (Stephen) of Cedar Rapids; his grandchildren, Zachary Huston (Madison), Ashley Schnieders (Parker), James Field, Carrie Field, Stephanie Field, Thomas Field and Jayson Field; his great grandchildren, Cooper Huston, Nova Huston and Theodore Schnieders; and his siblings, Joanne Patten of Osage and Richard Knowlton (Betty) of Monticello, Minnesota.