Guillaume is a rare boys' name that peaked in 1997 and has since faded.
Guillaume is a boy name. It last appears in U.S. records in 2024. Guillaume was first reported in SSA data in 1967 and peaked in 1997 (19 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2024 | 6 | 6 | #11,406 |
| 2016 | 5 | 5 | #12,885 |
| 2013 | 7 | 7 | #10,028 |
| 2012 | 7 | 7 | #10,081 |
| 2011 | 5 | 5 | #12,964 |
| 2010 | 8 | 8 | #9,091 |
| 2008 | 8 | 8 | #9,283 |
| 2007 | 9 | 9 | #8,428 |
| 2006 | 6 | 6 | #11,124 |
| 2005 | 12 | 12 | #6,364 |
| 2004 | 7 | 7 | #9,265 |
| 2003 | 6 | 6 | #10,017 |
| 2002 | 7 | 7 | #8,778 |
| 2001 | 9 | 9 | #7,117 |
| 2000 | 6 | 6 | #9,515 |
| 1999 | 17 | 17 | #4,216 |
| 1998 | 12 | 12 | #5,257 |
| 1997 | 19 | — | #3,648 |
| 1996 | 16 | — | #4,073 |
| 1995 | 8 | — | #6,603 |
| 1994 | 7 | — | #7,237 |
| 1992 | 15 | — | #3,990 |
| 1991 | 8 | — | #6,151 |
| 1990 | 12 | — | #4,505 |
| 1989 | 9 | — | #5,322 |
| 1988 | 11 | — | #4,278 |
| 1987 | 10 | — | #4,368 |
| 1986 | 8 | — | #5,036 |
| 1984 | 5 | — | #6,692 |
| 1983 | 10 | — | #3,970 |
| 1982 | 10 | — | #4,052 |
| 1981 | 8 | — | #4,681 |
| 1980 | 9 | — | #4,270 |
| 1979 | 5 | — | #6,413 |
| 1978 | 5 | — | #6,149 |
| 1977 | 6 | — | #5,381 |
| 1976 | 5 | — | #5,926 |
| 1975 | 6 | — | #5,036 |
| 1972 | 8 | — | #3,761 |
| 1967 | 5 | — | #4,192 |