Taisei is a very rare boys' name that peaked in 2010 and has since faded.
Taisei is a boy name. It last appears in U.S. records in 2023. Taisei first appears in 1999 and peaked in 2010 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2023 | 7 | 7 | #10,675 |
| 2022 | 6 | 6 | #12,136 |
| 2021 | 5 | 5 | #13,837 |
| 2019 | 5 | 5 | #13,897 |
| 2017 | 5 | 5 | #14,017 |
| 2016 | 5 | 5 | #13,951 |
| 2015 | 12 | 12 | #7,017 |
| 2014 | 7 | 7 | #10,578 |
| 2013 | 12 | 12 | #6,969 |
| 2012 | 7 | 7 | #10,621 |
| 2011 | 10 | 10 | #7,992 |
| 2010 | 12 | 12 | #7,033 |
| 2008 | 6 | 6 | #12,365 |
| 2007 | 7 | 7 | #10,752 |
| 2006 | 11 | 11 | #7,359 |
| 2005 | 5 | 5 | #13,114 |
| 2004 | 7 | 7 | #9,816 |
| 2003 | 8 | 8 | #8,531 |
| 2002 | 7 | 7 | #9,272 |
| 2001 | 5 | 5 | #12,109 |
| 1999 | 6 | 6 | #9,763 |