Cognomen Oosako (Oosako ) , worldwide, is a very rare family name. The last name Oosako is characteristic of Eastern Europe, particularly Poland, where it is a very rare surname.
Ohsako, Osako, and オオサコ
Mr, and Mie
) , worldwide, is a very rare family name. The last name Oosako is characteristic of Eastern Europe, particularly Poland, where it is a very rare surname.