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What does Wilhelmus mean?

Wilhelmus Pronunciation of Wilhelmus [wil-hel-mus] as a boys' name has its root in Old German, and Wilhelmus means "determined protector". Wilhelmus is a version of William (Old German): from wil meaning "will".

Associated with: determined (faithful), protector (defender).


3 different relations via William: Vilhelm, Wilhelm and Willhelmus.

Creative forms:
(male) Waldhelmus, Wilhelbur, ..

(female) Wilhelma, Wilhelmi, ..

Middle name pairings:
Wilhelmus Levi (W.L.), ..

How popular is Wilhelmus?

Wilhelmus is a rare first name for males. Wilhelmus is an equally rare last name for all people. (2000 U.S. Census)

Which version is better?

with its source form and related boy names. Popular varying forms of Wilhelmus (not ranked) are William (#5 the previous year) and Wilhelm. Other variants, like Vilhelm, are seldom used. These forms of Wilhelmus were at the height of their popularity during 1880-1889 (adoption of 7.75%) and have become much less popular since (adoption 0.83%, 89% less), with the form William going out of style. (Top 2000 Names, 2015)

Top 2000 baby names ranking of Wilhelm, William in U.S.

Top 100 baby names ranking of Wilhelm, William outside U.S.

Similar Names

Recommended names are Archelaus, Nicholaus, Nigellus, Wilkes, Willbur, Willem, Willes, Willess, Willets, Williams, Willis, Williss, Willkes, Willmar (see Wilmer), Willmer and Wills. These names tend to be more commonly used than Wilhelmus.

See names
in meaning and etymology.