Tatsuo
Last seen for boys in 1940 at #3,130
- Peak · boys
- 1916 · 57 births
- Debut · boys
- 6 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 222since 1915
Tatsuo over time
Rank among boys' names. Tatsuo has never cracked the top 800 here.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | boys | |
|---|---|---|
| rank | births | |
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| 1940 | #3,130 | 6 |
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| 1930 | #3,289 | 7 |
| 1929 | #3,247 | 7 |
| 1928 | #1,125 | 39 |
| 1927 | #3,151 | 8 |
| 1926 | #2,904 | 9 |
| 1925 | #3,155 | 8 |
| 1924 | #3,867 | 6 |
| 1923 | #2,950 | 9 |
| 1922 | #3,532 | 7 |
| 1921 | #2,502 | 12 |
| 1920 | #3,489 | 7 |
| 1919 | #3,115 | 8 |
| 1918 | #1,998 | 16 |
| 1917 | #2,562 | 10 |
| 1916 | #824 | 57 |
| 1915 | #3,392 | 6 |
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| 1880 | — | |
The first year at least five boys were named Tatsuo! It came in at #3,392, and was given to 6 baby boys.
Quietest stretch: 1931–1939, when fewer than 5 boys a year got the name.
Where Tatsuo is popular in 1928
- Rank in state
- Top 10
- 11–50
- 51–100
- 101–500
- 501+
- Not published
Hover or tap a state for its numbers.
- Hawaii#39 · 1 in 173
- California#288 · 1 in 2,679
Best ever in a state: #9 in Hawaii, 1916.
Show every state
| State | Rank | Births | Share |
|---|---|---|---|
| Hawaii | #39 | 20 | 1 in 173 |
| California | #288 | 14 | 1 in 2,679 |
| Alabama | — | — | — |
| Alaska | — | — | — |
| Arizona | — | — | — |
| Arkansas | — | — | — |
| Colorado | — | — | — |
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| District of Columbia | — | — | — |
| Florida | — | — | — |
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| Wyoming | — | — | — |
Ranks are within each state; “1 in N” is out of the boys born there that year. The SSA only publishes a name in a state when 5 or more babies of one sex got it.
See more about Tatsuo
- Not published in 2025; last seen 1940
- Biggest jump: 2,568 spots in 1916 (#3,392 → #824)
- Biggest drop: 1,738 spots in 1917 (#824 → #2,562)
- Debuted 1915
- Peaked 1916 at #824 (57 births)
- Births halved by 1917, 1 yr later
- Top 10: never
- Top 100: never
- Top 1,000: 1 yr · 1916
- Highest: 1 in 15,615 boys born in 1916 were named Tatsuo (0.01%)
- Latest: 1 in 193,195 boys born in 1940 (0.00%)
- 50.5% of all boys named Tatsuo (112) were born in this decade
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1910s | 97 | #824 (1916) | #2,378 |
| 1920s | 112 | #1,125 (1928) | #2,992 |
| 1930s | 7 | #3,289 (1930) | #3,289 |
| 1940s | 6 | #3,130 (1940) | #3,130 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Tatsuo in 1928
Top boys' names in 1928
More about 1928
boys
1,107,613 boys got a published name in 1928; 1 in 28,400 of them was named Tatsuo, which outranked 76.2% of the 4,723 boys' names that year. The ten most popular names covered 33.2% of boys (44.2% in 1880, 8.0% in 2025).
- #1,111Sigmund40
- #1,111Vergil40
- #1,111Wylie40
- #1,125Tatsuo39
- #1,125Alonza39
- #1,125Armin39
- #1,125Buel39
- #1,147Arne38
- #1,147Conley38
- #1,147Dorris38
Tied with 21 names at #1,125; 3 shown. Tied names share a rank, as in SSA's lists.
Among names in the top 1,000 of either year.