Thai is a rare variant of Theo that peaked in 2004 and has since faded.
Thai is predominantly a boy name. In 2025 it ranked #11,846 for boy births in the United States (and #24,457 across all names), given to 6 babies. Thai was first reported in SSA data in 1975 and peaked in 2000 (42 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 6 | 6 | — | #11,846 |
| 2024 | 7 | 7 | — | #10,811 |
| 2023 | 7 | 7 | — | #10,693 |
| 2022 | 16 | 16 | #17,532 | #7,712 |
| 2021 | 10 | 10 | — | #8,100 |
| 2020 | 9 | 9 | — | #8,658 |
| 2019 | 15 | 15 | #17,745 | #8,146 |
| 2018 | 17 | 17 | #17,909 | #7,087 |
| 2017 | 16 | 16 | #13,990 | #8,765 |
| 2016 | 13 | 13 | — | #6,685 |
| 2015 | 22 | 22 | #16,256 | #5,721 |
| 2014 | 19 | 19 | #14,439 | #7,008 |
| 2013 | 22 | 22 | #19,055 | #5,375 |
| 2012 | 18 | 18 | #19,295 | #6,600 |
| 2011 | 31 | 31 | #12,062 | #4,493 |
| 2010 | 22 | 22 | — | #4,509 |
| 2009 | 36 | 36 | #17,116 | #3,628 |
| 2008 | 39 | 39 | #15,263 | #3,479 |
| 2007 | 49 | 49 | #9,500 | #3,185 |
| 2006 | 40 | 40 | #12,349 | #3,445 |
| 2005 | 52 | 52 | #10,857 | #2,647 |
| 2004 | 52 | 52 | #10,627 | #2,595 |
| 2003 | 51 | 51 | #11,255 | #2,502 |
| 2002 | 45 | 45 | #10,184 | #2,749 |
| 2001 | 42 | 42 | #11,969 | #2,788 |
| 2000 | 42 | 42 | — | #2,325 |
| 1999 | 45 | 45 | #9,417 | #2,553 |
| 1998 | 36 | 36 | #9,222 | #3,082 |
| 1997 | 40 | — | #9,742 | #2,607 |
| 1996 | 38 | — | #13,380 | #2,477 |
| 1995 | 36 | — | — | #2,249 |
| 1994 | 35 | — | — | #2,302 |
| 1993 | 36 | — | — | #2,206 |
| 1992 | 33 | — | #15,414 | #2,594 |
| 1991 | 29 | — | — | #2,461 |
| 1990 | 23 | — | — | #2,859 |
| 1989 | 27 | — | #14,381 | #2,888 |
| 1988 | 31 | — | — | #2,083 |
| 1987 | 27 | — | — | #2,209 |
| 1986 | 38 | — | — | #1,691 |
| 1985 | 25 | — | — | #2,218 |
| 1984 | 22 | — | — | #2,358 |
| 1983 | 40 | — | — | #1,532 |
| 1982 | 41 | — | #5,511 | #1,990 |
| 1981 | 37 | — | #7,367 | #1,988 |
| 1980 | 22 | — | #7,362 | #3,413 |
| 1979 | 20 | — | — | #2,458 |
| 1978 | 16 | — | — | #2,786 |
| 1977 | 15 | — | — | #2,897 |
| 1976 | 10 | — | — | #3,696 |
| 1975 | 6 | — | — | #5,400 |