Thy is a girl name. It last appeared in U.S. Social Security records in 2018. Thy first appears in the data in 1979 and reached its peak in 1991 (18 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 2018 | 5 | #26,625 |
| 2016 | 11 | #15,953 |
| 2015 | 5 | #27,405 |
| 2014 | 12 | #15,157 |
| 2013 | 12 | #15,158 |
| 2012 | 11 | #16,256 |
| 2011 | 6 | #24,761 |
| 2010 | 9 | #18,823 |
| 2009 | 7 | #22,797 |
| 2008 | 12 | #15,826 |
| 2007 | 11 | #16,804 |
| 2006 | 12 | #15,423 |
| 2005 | 13 | #13,922 |
| 2004 | 9 | #17,600 |
| 2003 | 11 | #14,963 |
| 2002 | 17 | #10,744 |
| 2000 | 8 | #17,685 |
| 1999 | 7 | #18,729 |
| 1997 | 5 | #22,536 |
| 1996 | 7 | #17,342 |
| 1995 | 7 | #17,132 |
| 1994 | 7 | #17,157 |
| 1993 | 8 | #15,491 |
| 1992 | 16 | #9,400 |
| 1991 | 18 | #8,438 |
| 1990 | 9 | #13,674 |
| 1989 | 5 | #20,088 |
| 1988 | 11 | #10,667 |
| 1987 | 12 | #9,581 |
| 1986 | 11 | #9,933 |
| 1985 | 14 | #8,179 |
| 1984 | 12 | #8,932 |
| 1983 | 10 | #10,000 |
| 1982 | 15 | #7,583 |
| 1981 | 8 | #11,962 |
| 1980 | 8 | #11,991 |
| 1979 | 5 | #17,130 |