Yamaguchi, Owen S., passed away, Friday, January 16, 2026, at the age of 81.

Beloved husband of Gail L. Yamaguchi (nee Kellar); loving father of Terra A. (Dan) Youngren and Owen S. (Angela) Yamaguchi; devoted Pop Pop of Ethan, Emily, Jordan, and Owen; dear brother, uncle, cousin, and friend.

A good day for Owen involved watching the stock market, golfing at Ballwin Golf Course, and drinking at the Post with his buddies.

Owen was one of a kind; his humor, generosity, and quirky personality will be deeply missed by all who knew him.

Services: Visitation at the SCHRADER Funeral Home and Crematory, 14960 Manchester Road at Holloway, Ballwin, Thursday, January 29, 2026 from 4:00 p.m. - 8:00 p.m.  Funeral service at the Schrader Chapel, Friday, January 30, 2026 at 1 p.m. Interment Jefferson Barracks National Cemetery to follow. Friends may sign the family's on-line guestbook at Schrader.com.