Tatsuo
Boy nameTatsuo has been given to 222 babies in the U.S. since 1915. It peaked in 1916.
Popularity over time births per year, 1880–2025
Total babies
222
Peak year
1916 (57 babies)
Rank in 2025
Below top 1000
First recorded
1915
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 Tatsuo.
Sibling name ideas for Tatsuo
Same era and popularity as Tatsuo, avoiding matching initials or rhymes.
FAQ
How popular is the name Tatsuo?
Tatsuo has been given to 222 babies in the U.S. since 1915. It ranked below the top 1000 in 2025.
When did the name Tatsuo peak?
Tatsuo peaked in 1916, when 57 babies were given the name.
Is Tatsuo a girl or boy name?
Tatsuo is primarily a boy name (100% of babies named Tatsuo are boys).
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