Hiraoka Family History
Hiraoka Surname Meaning
Japanese: written 平岡 ‘peaceful hill’. It is found mostly in western Japan and the Ryūkyū Islands.
Some bearers of the name descend from the Kudō (see Kudo) branch of the southern Fujiwara.
Others come from the Mizoguchi branch of the Minamoto.
Source: Dictionary of American Family Names 2nd edition, 2022
