Guillaume is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Guillaume across the United States, UK, Ireland and New Zealand, how popular Guillaume has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 342 births |
| England & Wales since 1996 | 128 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Guillaume per year, United States (1967 to 2024). United States peaked in 1997 (19/yr) · England & Wales peaked in 1999 (13/yr).
Guillaume is a rare baby name in the United States. It was most common in 1997, when it ranked #8,733 nationally (given to 25 babies that year).
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