Bj is a rare boys' name that peaked in 1982 and has since faded.
Bj is predominantly a boy name. It last appears in U.S. records in 2024. Bj first appears in 1964 and peaked in 1982 (41 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2024 | 7 | 7 | — | #10,044 |
| 2021 | 11 | 11 | — | #7,153 |
| 2020 | 5 | 5 | — | #12,275 |
| 2019 | 6 | 6 | — | #10,972 |
| 2015 | 7 | 7 | — | #9,696 |
| 2014 | 6 | 6 | — | #10,883 |
| 2013 | 11 | 11 | — | #7,089 |
| 2012 | 6 | 6 | — | #10,956 |
| 2011 | 6 | 6 | — | #10,983 |
| 2010 | 12 | 12 | — | #6,736 |
| 2009 | 7 | 7 | — | #9,994 |
| 2008 | 8 | 8 | — | #9,099 |
| 2007 | 8 | 8 | — | #9,018 |
| 2006 | 10 | 10 | — | #7,492 |
| 2005 | 10 | 10 | — | #7,179 |
| 2004 | 6 | 6 | — | #10,110 |
| 2003 | 6 | 6 | — | #9,715 |
| 2002 | 11 | 11 | — | #6,135 |
| 2001 | 12 | 12 | — | #5,707 |
| 2000 | 13 | 13 | — | #5,321 |
| 1999 | 11 | 11 | — | #5,694 |
| 1998 | 12 | 12 | — | #5,185 |
| 1997 | 7 | — | — | #7,365 |
| 1996 | 15 | — | — | #4,201 |
| 1995 | 13 | — | — | #4,539 |
| 1994 | 14 | — | — | #4,319 |
| 1993 | 12 | — | — | #4,730 |
| 1992 | 16 | — | — | #3,766 |
| 1991 | 15 | — | — | #3,830 |
| 1990 | 21 | — | — | #2,965 |
| 1989 | 20 | — | #12,608 | #3,634 |
| 1988 | 21 | — | — | #2,694 |
| 1987 | 14 | — | — | #3,357 |
| 1986 | 26 | — | — | #2,169 |
| 1985 | 16 | — | — | #2,955 |
| 1984 | 19 | — | — | #2,538 |
| 1983 | 27 | — | — | #1,962 |
| 1982 | 41 | — | — | #1,518 |
| 1981 | 38 | — | — | #1,579 |
| 1980 | 36 | — | — | #1,622 |
| 1979 | 27 | — | — | #1,944 |
| 1978 | 31 | — | — | #1,724 |
| 1977 | 17 | — | — | #2,567 |
| 1976 | 10 | — | — | #3,499 |
| 1975 | 14 | — | — | #2,771 |
| 1974 | 12 | — | — | #2,967 |
| 1973 | 7 | — | — | #4,102 |
| 1972 | 15 | — | — | #2,437 |
| 1971 | 10 | — | — | #3,172 |
| 1970 | 7 | — | — | #3,881 |
| 1965 | 6 | — | — | #3,581 |
| 1964 | 5 | — | — | #4,106 |