The boy's name Willhelmus \wi-llhel-mus, will-helmus\ is a variant of William.
The baby name Willhelmus sounds like Wilhelmus and Wilhelm.
Willhelmus is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Willhelmus. Click here to compare Willhelmus with related baby names.
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