The birth of Hisako Oka

Hisako Oka was born on May 5, 1922 in Alameda County, California.

Her father's last name is Oka, and her mother's maiden name is Sasaki. If Hisako is still alive, she's now years old.

Her potential siblings include Sumiyo (born 1931), Tayeko (born 1924), Kayoko (born 1927) and Teruo (born 1930).