Willian is a boy name with a rare feel, drawn from real birth records. Below you'll find what Willian means and where it comes from, plus how many babies have been named Willian across the United States, UK, Ireland and New Zealand, how popular Willian has been over the decades, and the year it peaked.
Willian is a boy name of Germanic origin meaning “variant of William, resolute protector”. A Portuguese respelling of William, from wil (will) and helm (helmet).
| Country | Births on record |
|---|---|
| United States since 1880 | 4,092 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 Willian per year, United States (1880 to 2025). United States peaked in 1929 (84/yr).
Willian is an uncommon baby name in the United States. It was most common in 1929, when it ranked #1,389 nationally (given to 84 babies that year).
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