Matsuo was born to Okinawan immigrants Matsu and Kameko (Teruya) Yamashiro. He grew up in the north shore town of Kahuku with his older brothers, Shigeru and Rodney (Nora) Yamashiro. He had one sister, Kazuko Kinjo of Okinawa. (all predeceased). After graduating from Kahuku High School, he served in the US Marine Corps and was a combat veteran of the Korean War. He married Clara in 1955.
Matt was baptized as one of Jehovah's Witnesses in 1965. He especially enjoyed teaching people the Bible's peaceful message and volunteering his skills as an electrician on construction projects in the mainland, locally, and internationally.
A memorial service via Zoom will take place at a later date. Please contact the family for further information. In lieu of flowers or monetary gifts, please make donations to the worldwide work of Jehovah's Witnesses at donate.JW.org.
Our deepest condolences to the family and friends of the deceased