|Birth:||24 May 1899|
|Death:||17 January 2010|
Kitakata, Fukushima, Japan
|Age:||110 years, 238 days|
Yamaguchi was born in Japan on 24 May 1899. On 27 February 2009, following the death of Kou Inabayashi, Yamaguchi became the oldest living person in Fukushima Prefecture. Her age was verified by Japan’s MHLW and Tom Li, and validated by the GRG on 18 October 2009.
Yamaguchi died of pneumonia in Kitakata, Fukushima Prefecture, Japan, on 17 January 2010, at the age of 110 years, 238 days.