Cj is a rare boys' name that peaked in 1994 and has grown less common since.
Cj is predominantly a boy name. In 2025 it ranked #3,967 for boy births in the United States (and #8,482 across all names), given to 27 babies. Cj first appears in 1968 and peaked in 2020 (47 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 27 | 27 | — | #3,967 |
| 2024 | 28 | 28 | — | #3,906 |
| 2023 | 35 | 35 | — | #3,361 |
| 2022 | 36 | 36 | — | #3,288 |
| 2021 | 33 | 33 | — | #3,437 |
| 2020 | 47 | 47 | — | #2,666 |
| 2019 | 31 | 31 | — | #3,582 |
| 2018 | 24 | 24 | — | #4,254 |
| 2017 | 32 | 32 | — | #3,457 |
| 2016 | 27 | 27 | #13,212 | #4,811 |
| 2015 | 33 | 33 | — | #3,383 |
| 2014 | 46 | 46 | — | #2,631 |
| 2013 | 34 | 34 | — | #3,199 |
| 2012 | 43 | 43 | — | #2,781 |
| 2011 | 32 | 32 | — | #3,375 |
| 2010 | 33 | 33 | — | #3,319 |
| 2009 | 36 | 36 | — | #3,173 |
| 2008 | 37 | 37 | #15,822 | #3,501 |
| 2007 | 38 | 38 | — | #3,035 |
| 2006 | 43 | 43 | #13,910 | #3,036 |
| 2005 | 46 | 46 | #11,115 | #2,853 |
| 2004 | 30 | 30 | — | #3,230 |
| 2003 | 42 | 42 | #16,306 | #2,681 |
| 2002 | 41 | 41 | #13,974 | #2,700 |
| 2001 | 37 | 37 | — | #2,573 |
| 2000 | 34 | 34 | — | #2,684 |
| 1999 | 39 | 39 | #13,031 | #2,619 |
| 1998 | 42 | 42 | #11,379 | #2,463 |
| 1997 | 43 | — | #7,366 | #2,556 |
| 1996 | 35 | — | #13,960 | #2,543 |
| 1995 | 43 | — | #13,875 | #2,147 |
| 1994 | 55 | — | #7,204 | #1,934 |
| 1993 | 33 | — | #10,836 | #2,721 |
| 1992 | 32 | — | — | #2,317 |
| 1991 | 44 | — | #9,513 | #2,054 |
| 1990 | 43 | — | — | #1,816 |
| 1989 | 38 | — | #7,558 | #2,372 |
| 1988 | 22 | — | — | #2,622 |
| 1987 | 19 | — | — | #2,741 |
| 1986 | 32 | — | #8,714 | #2,233 |
| 1985 | 17 | — | #8,519 | #4,100 |
| 1984 | 21 | — | #8,338 | #3,130 |
| 1983 | 9 | — | — | #4,192 |
| 1982 | 10 | — | — | #4,006 |
| 1981 | 14 | — | — | #3,062 |
| 1980 | 11 | — | — | #3,657 |
| 1979 | 7 | — | — | #4,927 |
| 1978 | 7 | — | — | #4,634 |
| 1977 | 5 | — | — | #5,999 |
| 1974 | 5 | — | — | #5,349 |
| 1968 | 5 | — | — | #4,228 |