Surname
Ōoka
Ōoka (大岡) is a Japanese surname. Its kanji mean big + hill, and Wikidata lists 63 notable people with this family name.
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What Ōoka means
大
big, great
岡
hill
Where the name comes from
Like most Japanese surnames, Ōoka describes a place. Its kanji point to a hill, the kind of landmark a family was known by when surnames became compulsory for everyone in 1875.