Meaning & origin
The story
Published U.S. birth records include this spelling as early as 1915. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Isao through the years
- Babies since 1880
- 246
- 246 boys · 0 girls
- Most popular year
- 1925
- 20 babies
- 2025
- 0
- Outside the ranked list
- 2021–25 vs 2016–20
- —
- Too few births to compare
By the numbers
The most recent published U.S. birth count for boys is 5 in 2016. Later missing counts do not mean the name went unused. Its largest published annual count for boys was 20 in 1925. Published U.S. population figures for this spelling include 314 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Isao’s family of names
In Japanese usage, Isao is a Roman-alphabet rendering of いさお. In French usage, Isao has a conventional equivalent in the Japanese form 勲.
Inner ring: spellings · outer: across languages.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 8
Equivalents and cognates in other languages, plus older forms it grew from.
People named Isao
- Isao TakahataJapanese filmmaker (1935–2018)
- Isao IwabuchiJapanese association football player (1933–2003)
- Isao HommaJapanese association football playerborn 1981
- Isao TomitaJapanese musician (1932-2016)
- Isao OkanoJapanese judokaborn 1944
- Isao TaniguchiJapanese association football playerborn 1991
- Isao InokumaJapanese judoka (1938–2001)
- Isao KimuraJapanese actor (1923-1981)
- Isao YonedaJapanese gymnastborn 1977
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Isao, these share its style, era, origin or sound, from outside its own family.
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“the good son; a free son”
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Shigeo
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“the fourth-born son”
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Hisashi
Hisashi is a masculine given name from Japanese. It is used in English and Tagalog.
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