Matsu Uechi was born on 11 December 1903 in Nago, Okinawa Prefecture, Japan. She migrated to Brazil in 1922. In 1925, she married Kankiti Uechi. The couple had seven children in total, two of whom died after childbirth. Kankiti Hiroshikichi died at the age of 51 years.
Uechi died on 10 February 2014 at the age of 110 years, 61 days in São Paulo, Brazil. Uechi was survived by four childrens, 16 grandchildren, 18 great-grandchildren, and 1 great-great-grandchildren. At the time of her death, she was the second oldest living person in Brazil, after Alida Victoria Grubba Rudge.
- ↑ "コロニア最高齢 上地マツさん逝去＝１１０歳で大往生 – ブラジル知るならニッケイ新聞WEB". ブラジル知るならニッケイ新聞WEB (in 日本語). 2014-02-11. Retrieved 2017-07-21.
- ↑ "Matsu Ueti (1903-2014) - A japonesa mais idosa do Brasil". Folha de S.Paulo. Retrieved 2017-07-21.