Names / Boy names
Guillaume
Current rank
—
outside the top 1,000
All-time peak
#3,648
in 1997
First recorded
1967
in U.S. data
Children named
342
since 1967
Popularity over time
Annual U.S. children given the name · Peak #3,648 in 1997 · Source: Social Security Administration
Meaning & background
Guillaume is a boys' name that enters U.S. records in 1967. It now sits outside the national top 1,000, which keeps it uncommon. Only about 342 children have carried it, making it genuinely rare.