The oldest living person in Yamagata Prefecture is a Kō Watanabe (渡部こう) of Yonezawa City sadly passed away around October 11, 2024 at the age of 109 years old.
She was born between January 1 and September 15, 1915.

https://okuyami-information.com/2024-10-11%e5%b1%b1%e5%bd%a2%e3%80%80%e3%81%8a%e6%82%94%e3%82%84%e3%81%bf%e6%83%85%e5%a0%b1/

Rest in peace, Watanabe-san.