Born into the Ōoka family of bannermen.
He was adopted into another branch of the Ōoka clan.
As magistrate of Yamada in Ise, he won a name for fair judgments.
Promoted by the eighth shogun Tokugawa Yoshimune, he became a city magistrate of Edo and supported the Kyōhō Reforms.
To protect fire-prone Edo, he organized the townspeople's fire brigades, the forty-seven iroha companies.
Acting on a proposal from the petition box, he set up the Koishikawa clinic for the poor.
He recommended Aoki Kon'yō and helped spread sweet-potato growing as famine insurance.
He was promoted to magistrate of temples and shrines.
He became a 10,000-koku daimyo at Nishi-Ōhira in Mikawa (Okazaki, Aichi), a rare rise for a bannerman.
He died. Many tales of wise "Ōoka judgments" survive, though most are later inventions.
Ichikawa Danjūrō ITokugawa IenobuOgyū SoraiAmenomori HoshuTokugawa YoshimuneIshida BaiganKamo no MabuchiAoki Kon'yō
People of the Edo period ・ People by period
Based on facts found in textbooks and biographies. Uncertain points are marked as such.