What does Willem mean?
Willem /wil-lem/ [2 sylls.] as a name for boys is of Old German origin, and Willem means "determined protector". Willem is an alternate spelling of William (Old German): from wil meaning "will". Wilham is a conventional last name.
Willem has 33 different forms via William: Bill▼, Bille, Billie▼, Billy▼, Guglielmo, Guillaume, Guillermo▼, Liam▲, Vilhelm, Villem, Wilek, Wiley▼, Wilhelm▼, Wilhelmus, Wilkes, Wilkie, Wilkinson, Will▼, Willhelmus, Willi, Williams▼, Williamson, Willie▼, Willis▼, Willkie, Wills, Willson, Willy, Wilmer▼, Wilmot, Wilmott, Wilson▼ and Wim.Kreatif forms: Welem, Wellem, Winlem. [more]
How popular is Willem?
Willem is an uncommon given name for males but a very popular last name for all people (#70906 out of 150436, Top 47%). (2000 U.S. Census)
Shown below is an analysis of the usage of Willem and related names. Bill, Billie, Billy (#794 the previous year), Guillermo (#678), Liam (#2), Wiley, Wilhelm, Will (#763), William (#5), Williams, Willie (#722), Willis, Willy, Wilmer and Wilson (#594) are the popular variation forms of Willem (not ranked) appearing in the Top 1000. Variants like Villem are seldom used. Usage of these boy names was at its most widespread during the years 1920-1929 (usage of 0.5873%) and is now much lower (usage 0.2295%, down 60.9%), with forms like Billy, Guillermo, Will, Willie and Wilson becoming somewhat dated. Liam (#2) is the most trendy baby name here. (2014 Birth Statistics)