Sun is a rare variant of Sunny that peaked in 2022 and remains in steady use.
Sun is predominantly a boy name. In 2025 it ranked #6,754 among boys (13) and #16,984 among girls (5) — overall #11,320 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 18 | 18 | #16,984 | #6,754 |
| 2024 | 20 | 20 | — | #5,036 |
| 2023 | 22 | 22 | #13,306 | #6,181 |
| 2022 | 28 | 28 | #11,145 | #5,186 |
| 2021 | 16 | 16 | — | #5,745 |
| 2020 | 17 | 17 | #13,320 | #7,981 |
| 2019 | 8 | 8 | — | #9,630 |
| 2018 | 19 | 19 | #17,844 | #6,297 |
| 2017 | 14 | 14 | #15,714 | #9,577 |
| 2016 | 10 | 10 | — | #8,082 |
| 2015 | 8 | 8 | — | #9,451 |
| 2014 | 12 | 12 | #14,394 | #13,805 |
| 2013 | 6 | 6 | — | #11,965 |
| 2010 | 7 | 7 | — | #10,609 |
| 2009 | 10 | 10 | — | #8,228 |
| 2008 | 5 | 5 | #20,115 | — |
| 2007 | 5 | 5 | — | #14,123 |
| 2006 | 7 | 7 | #14,966 | — |
| 2005 | 8 | 8 | — | #8,983 |
| 2004 | 8 | 8 | — | #8,813 |
| 2003 | 8 | 8 | — | #8,525 |
| 2002 | 5 | 5 | — | #12,254 |
| 2001 | 19 | 19 | #8,678 | #9,108 |
| 2000 | 16 | 16 | #9,090 | #11,901 |
| 1999 | 10 | 10 | #16,604 | #11,389 |
| 1998 | 5 | 5 | — | #11,094 |
| 1997 | 8 | — | — | #7,192 |
| 1996 | 15 | — | #10,439 | #7,861 |
| 1995 | 5 | — | #15,455 | — |
| 1994 | 22 | — | #7,041 | #6,292 |
| 1993 | 7 | — | — | #7,525 |
| 1992 | 6 | — | #13,158 | — |
| 1991 | 22 | — | #5,916 | #8,112 |
| 1990 | 17 | — | #7,251 | #9,335 |
| 1989 | 19 | — | #9,576 | #4,770 |
| 1988 | 17 | — | #8,317 | #5,672 |
| 1987 | 17 | — | #8,671 | #4,911 |
| 1986 | 19 | — | #6,537 | #5,270 |
| 1985 | 14 | — | #8,227 | #6,433 |
| 1984 | 24 | — | #5,846 | #3,660 |
| 1983 | 25 | — | #5,414 | #3,598 |
| 1982 | 25 | — | #6,314 | #3,263 |
| 1981 | 22 | — | #5,214 | #4,905 |
| 1980 | 23 | — | #6,720 | #3,405 |
| 1979 | 16 | — | #8,898 | #4,358 |
| 1978 | 25 | — | #4,431 | #4,127 |
| 1977 | 20 | — | #5,172 | #5,055 |
| 1976 | 15 | — | #6,531 | #5,516 |
| 1975 | 21 | — | #5,461 | #3,632 |
| 1974 | 18 | — | #6,189 | #3,802 |
| 1972 | 16 | — | #5,879 | #4,384 |
| 1971 | 16 | — | #3,928 | — |
| 1970 | 11 | — | #5,021 | — |
| 1968 | 5 | — | #8,040 | — |
| 1966 | 6 | — | #6,475 | — |
| 1963 | 5 | — | #7,511 | — |
| 1962 | 7 | — | #5,784 | — |
| 1961 | 6 | — | #6,481 | — |
| 1960 | 21 | — | #3,337 | #4,002 |
| 1959 | 8 | — | #4,981 | — |
| 1958 | 9 | — | #4,471 | — |
| 1957 | 7 | — | #5,306 | — |
| 1956 | 10 | — | #4,132 | — |
| 1955 | 7 | — | #5,142 | — |
| 1954 | 7 | — | #5,087 | — |
| 1953 | 12 | — | #3,460 | — |
| 1952 | 6 | — | #5,498 | — |
| 1951 | 7 | — | #4,777 | — |
| 1949 | 9 | — | #3,868 | — |
| 1947 | 8 | — | #4,306 | — |
| 1945 | 7 | — | #3,985 | — |
| 1941 | 5 | — | #5,004 | — |
| 1939 | 6 | — | #4,197 | — |
| 1929 | 6 | — | — | #3,912 |
| 1926 | 5 | — | — | #4,760 |
| 1925 | 6 | — | — | #4,143 |
| 1923 | 5 | — | — | #4,812 |
| 1922 | 7 | — | — | #3,828 |
| 1921 | 7 | — | — | #3,828 |
| 1920 | 6 | — | — | #4,222 |
| 1919 | 8 | — | — | #3,358 |
| 1918 | 7 | — | — | #3,674 |
| 1914 | 11 | — | — | #2,088 |
| 1902 | 5 | — | — | #1,299 |