Thu is a rare variant of Thea that peaked in 1983 and has since faded.
Thu is predominantly a girl name. It last appears in U.S. records in 2018. Thu first appears in 1975 and peaked in 1983 (55 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2018 | 12 | 12 | #9,110 | — |
| 2017 | 10 | 10 | #10,635 | — |
| 2015 | 6 | 6 | #16,260 | — |
| 2014 | 8 | 8 | #12,978 | — |
| 2013 | 12 | 12 | #9,569 | — |
| 2012 | 7 | 7 | #14,859 | — |
| 2011 | 8 | 8 | #13,249 | — |
| 2010 | 11 | 11 | #10,406 | — |
| 2009 | 11 | 11 | #10,622 | — |
| 2008 | 7 | 7 | #15,268 | — |
| 2007 | 13 | 13 | #9,502 | — |
| 2006 | 14 | 14 | #8,685 | — |
| 2005 | 7 | 7 | #14,406 | — |
| 2004 | 13 | 13 | #8,677 | — |
| 2003 | 18 | 18 | #6,560 | — |
| 2002 | 15 | 15 | #7,415 | — |
| 2001 | 14 | 14 | #7,692 | — |
| 2000 | 9 | 9 | #10,677 | — |
| 1999 | 14 | 14 | #7,204 | — |
| 1998 | 7 | 7 | #12,329 | — |
| 1997 | 14 | — | #6,817 | — |
| 1996 | 17 | — | #5,758 | — |
| 1995 | 14 | — | #6,616 | — |
| 1994 | 16 | — | #5,966 | — |
| 1993 | 27 | — | #3,981 | — |
| 1992 | 13 | — | #7,038 | — |
| 1991 | 28 | — | #3,812 | — |
| 1990 | 31 | — | #3,999 | #9,369 |
| 1989 | 30 | — | #3,473 | — |
| 1988 | 21 | — | #4,299 | — |
| 1987 | 20 | — | #4,270 | — |
| 1986 | 32 | — | #2,965 | — |
| 1985 | 34 | — | #2,796 | — |
| 1984 | 52 | — | #1,989 | — |
| 1983 | 55 | — | #1,905 | — |
| 1982 | 50 | — | #2,079 | — |
| 1981 | 47 | — | #2,194 | — |
| 1980 | 37 | — | #2,596 | — |
| 1979 | 22 | — | #3,654 | — |
| 1978 | 25 | — | #3,184 | — |
| 1977 | 11 | — | #5,860 | — |
| 1976 | 18 | — | #3,805 | — |
| 1975 | 7 | — | #7,913 | — |