Semisi is a very rare boys' name that peaked in 2009 and remains in steady use.
Semisi is a boy name. In 2025 it ranked #7,592 for boy births in the United States (and #15,916 across all names), given to 11 babies. Semisi was first reported in SSA data in 1983 and peaked in 2009 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 11 | 11 | #7,592 |
| 2024 | 9 | 9 | #8,865 |
| 2023 | 7 | 7 | #10,625 |
| 2022 | 7 | 7 | #10,668 |
| 2020 | 7 | 7 | #10,421 |
| 2019 | 6 | 6 | #11,907 |
| 2017 | 5 | 5 | #13,920 |
| 2015 | 8 | 8 | #9,429 |
| 2013 | 5 | 5 | #13,735 |
| 2012 | 7 | 7 | #10,572 |
| 2011 | 5 | 5 | #14,003 |
| 2010 | 11 | 11 | #7,493 |
| 2009 | 13 | 13 | #6,750 |
| 2008 | 8 | 8 | #9,715 |
| 2007 | 6 | 6 | #12,112 |
| 2006 | 8 | 8 | #9,421 |
| 2005 | 8 | 8 | #8,958 |
| 2004 | 8 | 8 | #8,783 |
| 2003 | 9 | 9 | #7,727 |
| 2002 | 7 | 7 | #9,222 |
| 2000 | 8 | 8 | #8,082 |
| 1999 | 6 | 6 | #9,689 |
| 1998 | 10 | 10 | #6,221 |
| 1996 | 5 | — | #10,285 |
| 1995 | 7 | — | #7,665 |
| 1994 | 8 | — | #6,873 |
| 1991 | 7 | — | #7,145 |
| 1989 | 5 | — | #9,007 |
| 1983 | 5 | — | #7,153 |