Okada

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Okada means 'hill rice field' (岡田) and is a topographic surname for families whose paddy fields lay on or near a hill or ridge. The name arose during the Heian period as Japan's farming communities developed surname-based lineages tied to their landscape. Okada clans appear as local samurai in Bizen, Totomi, and Ise provinces. The name is most common in Okayama, Aichi, and Osaka prefectures.