Wenceslao is a rare boys' name that peaked in 2005 and has since faded.
Wenceslao is a boy name. It last appears in U.S. records in 2019. Wenceslao first appears in 1926 and peaked in 2005 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2019 | 5 | 5 | #14,024 |
| 2014 | 5 | 5 | #13,967 |
| 2012 | 6 | 6 | #12,198 |
| 2011 | 8 | 8 | #9,553 |
| 2010 | 7 | 7 | #10,702 |
| 2008 | 6 | 6 | #12,475 |
| 2007 | 5 | 5 | #14,299 |
| 2006 | 6 | 6 | #11,995 |
| 2005 | 13 | 13 | #6,204 |
| 2004 | 9 | 9 | #8,119 |
| 2003 | 6 | 6 | #10,840 |
| 2002 | 10 | 10 | #7,018 |
| 2001 | 7 | 7 | #9,198 |
| 2000 | 5 | 5 | #12,061 |
| 1998 | 8 | 8 | #7,524 |
| 1997 | 10 | — | #6,082 |
| 1996 | 6 | — | #8,970 |
| 1995 | 7 | — | #7,773 |
| 1994 | 10 | — | #5,854 |
| 1993 | 10 | — | #5,758 |
| 1990 | 5 | — | #9,450 |
| 1989 | 5 | — | #9,184 |
| 1988 | 8 | — | #5,731 |
| 1987 | 6 | — | #6,925 |
| 1986 | 7 | — | #5,910 |
| 1985 | 9 | — | #4,681 |
| 1984 | 5 | — | #7,313 |
| 1983 | 9 | — | #4,489 |
| 1981 | 8 | — | #4,949 |
| 1980 | 7 | — | #5,510 |
| 1979 | 8 | — | #4,833 |
| 1978 | 7 | — | #5,042 |
| 1977 | 5 | — | #6,832 |
| 1975 | 6 | — | #5,444 |
| 1974 | 5 | — | #5,988 |
| 1973 | 6 | — | #5,080 |
| 1971 | 6 | — | #4,896 |
| 1970 | 7 | — | #4,220 |
| 1967 | 5 | — | #4,535 |
| 1966 | 9 | — | #2,977 |
| 1956 | 11 | — | #2,623 |
| 1953 | 10 | — | #2,704 |
| 1950 | 5 | — | #4,180 |
| 1941 | 6 | — | #3,494 |
| 1935 | 5 | — | #4,130 |
| 1928 | 6 | — | #4,132 |
| 1926 | 7 | — | #3,695 |