Osugi Sogo in April 2019
Osugi Sogo was born in Hiroshima, Japan, on 13 August 1905. In September 2015, she was reported as the oldest living person in Ehime Prefecture. She lived in Matsuyama city, Ehime Prefecture, Japan.
Sogo went to limbo in November 2019, as she was no longer reported as the oldest citizen of the town.