| Tatsuo | Kaito | |
|---|---|---|
| Meaning | dragon man | Ocean; soar |
| Origin | japanese | Japanese |
| Gender | Boy | Boy |
| Pronunciation | tah-tsoo-oh | KY-toh |
| Syllables | 3 | 2 |
| First appeared | 0 | 1994 |
| Peak year | 1916 (57) | 2022 (84) |
| In 2025 | 0 | 71 |
| Trend | Vintage | Rising |
Source: US Social Security Administration.
| Decade | Tatsuo | Kaito |
|---|---|---|
| 2020s | 0 | 426 |
| 2010s | 0 | 463 |
| 2000s | 0 | 293 |
| 1990s | 0 | 53 |
| 1940s | 6 | 0 |
| 1930s | 7 | 0 |
| 1920s | 112 | 0 |
| 1910s | 97 | 0 |
Japanese given name read as 'dragon man' when written with a dragon element plus 'o/man', e.g. 竜雄 / 龍男 (竜/龍 'dragon' + o 'man/hero'). Hedge: strongly kanji-dependent; some spellings use 達 'attain' or other elements with no dragon sense, so only the 竜/龍/辰 writings genuinely mean dragon.
Kaito commonly joins the kanji for “sea/ocean” with “soar” or “fly.”
Kaito is more popular than Tatsuo today: about 71 US babies were given the name Kaito in 2025, compared with 0 named Tatsuo.
Tatsuo means dragon man (japanese origin), while Kaito means Ocean; soar (Japanese origin).
In US records, Tatsuo first appears in 0 and Kaito in 1994, so Tatsuo has the longer recorded history.