An is an uncommon variant of Anna that peaked in 2016 and remains in steady use.
An is predominantly a girl name. In 2025 it ranked #3,983 among girls (36) and #4,142 among boys (25) — overall #4,902 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 61 | 61 | #3,983 | #4,142 |
| 2024 | 56 | 56 | #4,391 | #4,329 |
| 2023 | 62 | 62 | #3,768 | #4,614 |
| 2022 | 54 | 54 | #4,303 | #4,711 |
| 2021 | 42 | 42 | #5,246 | #5,121 |
| 2020 | 61 | 61 | #4,015 | #3,922 |
| 2019 | 59 | 59 | #4,442 | #3,800 |
| 2018 | 71 | 71 | #3,681 | #3,610 |
| 2017 | 59 | 59 | #4,588 | #3,680 |
| 2016 | 73 | 73 | #3,418 | #3,886 |
| 2015 | 71 | 71 | #3,393 | #4,186 |
| 2014 | 65 | 65 | #4,362 | #3,378 |
| 2013 | 59 | 59 | #4,341 | #3,868 |
| 2012 | 47 | 47 | #4,719 | #5,264 |
| 2011 | 51 | 51 | #4,926 | #4,231 |
| 2010 | 63 | 63 | #3,415 | #5,495 |
| 2009 | 45 | 45 | #4,948 | #5,569 |
| 2008 | 47 | 47 | #5,022 | #5,075 |
| 2007 | 58 | 58 | #4,572 | #3,901 |
| 2006 | 40 | 40 | #5,724 | #5,086 |
| 2005 | 55 | 55 | #4,592 | #3,625 |
| 2004 | 58 | 58 | #3,829 | #4,136 |
| 2003 | 56 | 56 | #4,316 | #3,447 |
| 2002 | 45 | 45 | #5,460 | #3,559 |
| 2001 | 41 | 41 | #4,842 | #4,486 |
| 2000 | 48 | 48 | #4,803 | #3,429 |
| 1999 | 49 | 49 | #3,641 | #4,349 |
| 1998 | 51 | 51 | #4,805 | #2,789 |
| 1997 | 52 | — | #5,021 | #2,502 |
| 1996 | 46 | — | #4,590 | #3,025 |
| 1995 | 43 | — | #4,854 | #3,025 |
| 1994 | 50 | — | #4,691 | #2,557 |
| 1993 | 51 | — | #3,781 | #2,946 |
| 1992 | 59 | — | #3,506 | #2,536 |
| 1991 | 55 | — | #3,446 | #2,755 |
| 1990 | 39 | — | #5,068 | #2,956 |
| 1989 | 47 | — | #3,787 | #2,909 |
| 1988 | 46 | — | #4,178 | #2,369 |
| 1987 | 49 | — | #3,630 | #2,273 |
| 1986 | 42 | — | #4,196 | #2,366 |
| 1985 | 52 | — | #3,625 | #1,975 |
| 1984 | 48 | — | #3,532 | #2,099 |
| 1983 | 47 | — | #3,556 | #2,088 |
| 1982 | 39 | — | #4,726 | #2,166 |
| 1981 | 32 | — | #4,538 | #2,783 |
| 1980 | 25 | — | #6,337 | #2,968 |
| 1979 | 23 | — | #7,342 | #2,904 |
| 1978 | 17 | — | #6,406 | #4,165 |
| 1977 | 16 | — | #6,912 | #4,182 |
| 1976 | 17 | — | #6,063 | #4,028 |
| 1975 | 19 | — | #4,868 | #4,336 |
| 1969 | 5 | — | #7,506 | — |
| 1967 | 5 | — | #6,833 | — |
| 1960 | 6 | — | #5,721 | — |
| 1959 | 8 | — | #4,639 | — |
| 1958 | 5 | — | #6,124 | — |
| 1957 | 10 | — | #3,938 | — |
| 1955 | 7 | — | #4,751 | — |
| 1951 | 6 | — | #4,849 | — |
| 1946 | 6 | — | #4,437 | — |