Tsune Katō was born in Japan on 23 September 1899.
Katō lived in Hikawa, Shimane Prefecture, and every year since she turned 100, she received a congratulatory visit from the mayor at her home and a congratulatory letter. Katō passed away on August 3, 2010, in Hikawa-cho, Shimane Prefecture, Japan, at the age of 110 years and 314 days.
In September 2006, at the age of 107, she was the fourth-oldest person in Shimane Prefecture.
Following the death of 108-year-old Seitarō Imaoka (25 August 1899 – 18 March 2008) of Oda City, Katō became the oldest person in Shimane Prefecture, at the age of 108.
Upon her passing, Ei Nakagaki succeeded her as the oldest living resident of Shimane Prefecture.
Her age was verified by Japan’s Ministry of Health, Labour, and Welfare (MHLW), as well as Ryohei Asano, and validated by LongeviQuest on 5 August 2024.
* ZENKOKU KOUREISHA MEIBO, 2003 Edition
* “祝ご長寿おめでとうございます” – Public Relations Hikawa, September 2003 issue
* “県内最高齢110歳死亡=島根” – Yomiuri Shimbun, 5 August 2010