Yukio
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Meaning
meaning kanji-dependent, commonly glossed 'snow boy' or 'man of good fortune'; famously borne by Yukio Mishima, novelist and playwright
The story
Yukio holds several possible meanings at once, as Japanese names often do: everything depends on the kanji, and it is commonly glossed as snow boy, from yuki, or as man of good fortune. The name belongs above all to one writer. Yukio Mishima, novelist and playwright, wrote Confessions of a Mask and The Temple of the Golden Pavilion, produced novels, essays, and modern Noh plays at a furious pace, and stood for years as Japan's most internationally famous literary figure, his books translated into every major language. The name traveled wherever the books went. In American records, though, Yukio has been essentially invisible, surfacing for the first time only in the 2020s. That makes it a genuinely rare choice in the US: three gentle syllables and a long literary shadow.
How popular is Yukio around the world?
In the United States, Yukio is not on the Social Security record for 2020 to 2025: names under 5 in a year are withheld at source. At the 2022 census, 439 people in Brazil were named Yukio, ranked 14,628th, with a median age of 71.
Yukio is on the official records of Brazil.
United States
under 5 a year
In the United States, Yukio is not on the Social Security record for 2020 to 2025: names under 5 in a year are withheld at source.
Shape drawn from US Social Security baby-name records. Yukio has stayed rare in US records the whole time: no peak decade to name.
Births with a Social Security record. Source: U.S. Social Security Administration
Brazil
1 in 500,000
At the 2022 census, 439 people in Brazil were named Yukio, ranked 14,628th, with a median age of 71.
Among people named Yukio living in Brazil at the 2022 census, more were born in the 1940s than in any other decade.
people alive at the 2022 census, by decade of birth
People alive and resident in Brazil at the 2022 census, a living-population count, not births; names under 20 are withheld at source. Source: IBGE, Censo Demográfico 2022
Mexico City City
last on record 2018
Yukio is not on the 2022 record for Mexico City, where small counts are withheld at source.
The count never rose above 7 in a year, too few to chart.
Civil-registry acts in Mexico City by registration year. Counts are lower bounds (names under 6 in a month and borough are removed at source) and count name-instances, not people; compound names are split, so “Maria Jose” counts under each part. 2023, a partial extract through 3 Mar with no cell on record for this name, is excluded. Source: Registro Civil of Mexico City, open data portal, registered given names 2000-2023
Montevideo City
last on record 2005
Yukio is not on the 2011 record for Montevideo, whose registry withholds nothing, so the spelling was not given there that year.
The count never rose above 1 in a year, too few to chart.
Births in the department of Montevideo (not all of Uruguay) by first name and year of birth, 1940–2011, from the city’s civil registry, which writes names in capitals, almost always without accents; counted as spelling groups (accent and punctuation variants merged), nothing is withheld at source, and 2012 is excluded as a partial year. Source: Servicio de Registro Civil, Intendencia de Montevideo, Partidas de Registro Civil de Montevideo (Licencia de Datos Abiertos - Uruguay); 2012 dropped as partial
Not on the record in Spain, Argentina, Puerto Rico, England and Wales, Canada, Ireland, New Zealand, Scotland and Poland: those registries withhold small counts, so rare uses may sit below their floors.
Not on the Chile record: nametree keeps spellings that reached 5 registrations in some year, so rarer uses are not shown. Not on the France record: nametree keeps spellings that reached 20 births in some year, so rarer uses are not shown. Not on the South Australia record for 1944 to 2017: that registry withholds nothing, so this spelling was not given there in those years. Not on the Austria record for 1984 to 2025: Statistik Austria publishes every first name down to a single birth, so this name was not given there in those years (before 2010 the record covers babies with Austrian citizenship only). Not on Norway’s list: Statistics Norway lists only first names carried by 200 or more living people, so rarer names are not shown.
When you meet Yukio
Most people given the name Yukio in the United States were born between 1930 and 1939. The Yukio you meet today is most often in his 80s or 90s.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
Keep exploring
The Yukio deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Yukio 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 Yukio fits with your family’s names and surname.
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