Osamu
Meaning
discipline, study; often written 修, though kanji vary
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Osamu has stayed rare in US records the whole time: no peak decade to name.
See popularity in Brazil
Popularity in Brazil
117 people · the #36,897 first name in Brazil · about 1 in 1,000,000 · median age 74
Among people named Osamu living in Brazil at the 2022 census, more were born in the 1940s than in any other decade.
Source: IBGE, Censo Demográfico 2022
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The Osamu deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Osamu truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Osamu fits with your family’s names and surname.
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