Thanh is a rare name used for both girls and boys that peaked in 1981 and has since faded.
Thanh is predominantly a boy name. It last appears in U.S. records in 2021. Thanh first appears in 1976 and peaked in 1982 (74 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2021 | 5 | 5 | — | #13,875 |
| 2019 | 7 | 7 | — | #10,702 |
| 2016 | 6 | 6 | — | #12,016 |
| 2015 | 7 | 7 | — | #10,515 |
| 2014 | 16 | 16 | #14,442 | #8,721 |
| 2013 | 18 | 18 | #19,057 | #6,564 |
| 2012 | 13 | 13 | — | #6,601 |
| 2011 | 17 | 17 | #14,721 | #8,003 |
| 2010 | 14 | 14 | #12,188 | #14,048 |
| 2009 | 12 | 12 | #17,120 | #12,326 |
| 2008 | 17 | 17 | #17,325 | #7,652 |
| 2007 | 18 | 18 | #17,466 | #7,036 |
| 2006 | 24 | 24 | #11,355 | #6,064 |
| 2005 | 24 | 24 | #11,765 | #5,547 |
| 2004 | 22 | 22 | #11,539 | #6,100 |
| 2003 | 26 | 26 | #10,374 | #5,021 |
| 2002 | 34 | 34 | #8,244 | #4,030 |
| 2001 | 33 | 33 | #8,158 | #4,108 |
| 2000 | 40 | 40 | #7,133 | #3,414 |
| 1999 | 45 | 45 | #6,173 | #3,024 |
| 1998 | 20 | 20 | #10,052 | #5,801 |
| 1997 | 29 | — | #8,304 | #3,864 |
| 1996 | 43 | — | #6,047 | #2,829 |
| 1995 | 52 | — | #5,665 | #2,289 |
| 1994 | 44 | — | #6,635 | #2,553 |
| 1993 | 59 | — | #4,813 | #2,121 |
| 1992 | 60 | — | #3,961 | #2,300 |
| 1991 | 64 | — | #3,713 | #2,135 |
| 1990 | 63 | — | #5,266 | #1,777 |
| 1989 | 62 | — | #4,517 | #1,855 |
| 1988 | 59 | — | #4,167 | #1,843 |
| 1987 | 71 | — | #3,616 | #1,557 |
| 1986 | 73 | — | #3,356 | #1,491 |
| 1985 | 85 | — | #2,483 | #1,502 |
| 1984 | 79 | — | #2,987 | #1,364 |
| 1983 | 91 | — | #2,652 | #1,220 |
| 1982 | 101 | — | #3,250 | #1,061 |
| 1981 | 103 | — | #2,610 | #1,124 |
| 1980 | 69 | — | #2,595 | #1,803 |
| 1979 | 55 | — | #4,616 | #1,530 |
| 1978 | 26 | — | #4,911 | #3,381 |
| 1977 | 19 | — | #11,177 | #3,030 |
| 1976 | 24 | — | #5,178 | #3,247 |