|Birth:||15 October 1911|
|Age:||110 years, 104 days|
Miyamoto was born in Japan on 15 October 1911. In October 2021, she celebrated her 110th birthday.
Following the death of Toshiko Inoue on 6 October 2021, she became the oldest living woman in Hiroshima Prefecture, Japan.
Miyamoto currently lives in Fukuyama City, Hiroshima Prefecture, Japan at the age of 110 years, 104 days.
- 県内最高齢者の死去について Hiroshima Prefecture, 18 October 2021