Sadao
Boy nameSadao has been given to 244 babies in the U.S. since 1914. It peaked in 1926.
Popularity over time births per year, 1880–2025
Total babies
244
Peak year
1926 (22 babies)
Rank in 2025
Below top 1000
First recorded
1914
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Sadao.
Sibling name ideas for Sadao
Same era and popularity as Sadao, avoiding matching initials or rhymes.
FAQ
How popular is the name Sadao?
Sadao has been given to 244 babies in the U.S. since 1914. It ranked below the top 1000 in 2025.
When did the name Sadao peak?
Sadao peaked in 1926, when 22 babies were given the name.
Is Sadao a girl or boy name?
Sadao is primarily a boy name (100% of babies named Sadao are boys).
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