John David Duffey Obituary

It is with great sadness that we announce the death of John David Duffey (Los Osos, California), born in Yakima, Washington, who passed away on January 22, 2026, at the age of 74, leaving to mourn family and friends. 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, Richard Duffey and Helen Cobb; and his brothers, Doug Duffey (Marcia) and Joseph Duffey. He is survived by: his wife Teresa Duffey; his siblings, Mike Duffey (Vangie), Debbie Finn (Ken), Kathy Murray, Tom Duffey (Ilene) and Bill Duffey (Kathy); his granddaughters, Sadee Schneider and Avery Williams; his great grandchildren, Joseph-Riley Sullivan, Elijah Schneider and Gabriel Schneider; Lisa Howell. He is also survived by many nieces and nephews.