Wei is a rare name used for both girls and boys that peaked in 2001 and has since faded.
Wei is predominantly a boy name. In 2025 it ranked #10,614 for boy births in the United States (and #21,886 across all names), given to 7 babies. Wei was first reported in SSA data in 1970 and peaked in 1998 (18 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 7 | 7 | — | #10,614 |
| 2017 | 8 | 8 | — | #9,641 |
| 2007 | 11 | 11 | #20,424 | #12,291 |
| 2004 | 14 | 14 | — | #5,795 |
| 2003 | 14 | 14 | — | #5,542 |
| 2002 | 9 | 9 | — | #7,615 |
| 2001 | 20 | 20 | #17,876 | #5,134 |
| 2000 | 10 | 10 | — | #6,813 |
| 1999 | 18 | 18 | #14,353 | #5,640 |
| 1998 | 18 | 18 | — | #4,010 |
| 1997 | 17 | — | — | #4,052 |
| 1996 | 13 | — | — | #4,866 |
| 1995 | 17 | — | #13,342 | #5,489 |
| 1994 | 17 | — | #15,689 | #5,099 |
| 1993 | 15 | — | #15,726 | #5,756 |
| 1992 | 6 | — | #13,288 | — |
| 1991 | 15 | — | #15,402 | #5,498 |
| 1990 | 5 | — | — | #9,449 |
| 1989 | 14 | — | — | #4,013 |
| 1988 | 6 | — | — | #7,242 |
| 1987 | 16 | — | #7,979 | #6,070 |
| 1986 | 15 | — | #12,788 | #4,445 |
| 1985 | 13 | — | #8,300 | #7,551 |
| 1984 | 19 | — | #8,138 | #3,913 |
| 1983 | 6 | — | #10,253 | — |
| 1981 | 8 | — | — | #4,948 |
| 1980 | 7 | — | — | #5,508 |
| 1978 | 7 | — | — | #5,041 |
| 1976 | 7 | — | — | #4,920 |
| 1974 | 5 | — | — | #5,986 |
| 1973 | 6 | — | — | #5,078 |
| 1970 | 6 | — | — | #4,711 |