Surname
Ōshiro
Ōshiro (大城) is a Japanese surname. Its kanji mean big + castle, and Wikidata lists 53 notable people with this family name.
お · お · し · ろ · おおしろ
What Ōshiro means
大
big, great
城
castle
Where the name comes from
The kanji of Ōshiro mean big + castle. Many surnames like it began as descriptions of a family's land, trade or position before surnames were required for every household in 1875.