Key is a very rare boys' name that peaked in 1999 and has grown less common since.
Key is predominantly a boy name. It last appears in U.S. records in 2024. Key first appears in 1914 and peaked in 1993 (12 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2024 | 7 | 7 | — | #10,440 |
| 2023 | 8 | 8 | — | #9,379 |
| 2017 | 5 | 5 | — | #13,330 |
| 2014 | 5 | 5 | — | #13,133 |
| 2012 | 5 | 5 | — | #13,310 |
| 2007 | 5 | 5 | — | #13,476 |
| 2004 | 6 | 6 | — | #10,717 |
| 2003 | 6 | 6 | — | #10,282 |
| 1999 | 12 | 12 | #15,657 | #8,325 |
| 1998 | 7 | 7 | — | #8,056 |
| 1997 | 8 | — | — | #6,973 |
| 1996 | 7 | — | — | #7,587 |
| 1995 | 5 | — | — | #9,643 |
| 1993 | 12 | — | — | #4,873 |
| 1990 | 6 | — | — | #7,663 |
| 1989 | 6 | — | — | #7,469 |
| 1987 | 5 | — | — | #7,597 |
| 1984 | 5 | — | — | #6,866 |
| 1978 | 6 | — | — | #5,452 |
| 1977 | 6 | — | — | #5,509 |
| 1973 | 7 | — | — | #4,300 |
| 1970 | 5 | — | #8,631 | — |
| 1961 | 6 | — | — | #3,853 |
| 1960 | 6 | — | — | #3,863 |
| 1951 | 5 | — | — | #3,995 |
| 1948 | 5 | — | — | #3,950 |
| 1917 | 5 | — | — | #4,291 |
| 1914 | 5 | — | — | #3,518 |