Yamaoka Family History
Yamaoka Name Meaning
Japanese: written 山岡 ‘mountain hill’. It is a topographic and habitational name found chiefly in western Japan. Bearers from a district in Yamato (now Nara prefecture) are of Minamoto origin while those from Ōmi (now Shiga prefecture) descend from the Ban family.
Source: Dictionary of American Family Names 2nd edition, 2022