The birth of Mutsuko Koga

Mutsuko Koga was born on February 3, 1917 in Santa Cruz County, California.

Her father's last name is Koga, and her mother's maiden name is Kugumuta. If Mutsuko is still alive, she's now 109 years old.

Her potential siblings include Kenji (born 1918), Toru (born 1921) and Kiichi (born 1923).