Willem
A boys’ name of Dutch origin, meaning resolute protector; a form of William.
Babies a year
55
the US, 2017
Rarity
Very rare
among names in use
US popularity
—
outside the top 1000
UK popularity
#3256
6 babies
In 2025, 6 babies in England and Wales were named Willem. In the US, 55 were, though that figure is from 2017 — the most recent full year we hold. Its US peak was 122 in 2003.
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