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Guillaume meaning, boyGuillaume

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pinWhat does Guillaume mean?

Guillaume /guil-lau-me/ as a boys' name is pronounced gee-OHM. It is of Old German origin, and the meaning of Guillaume is "determined protector". French variant of William. French poet Guillaume Apollinaire.


Guillaume has 6 variants: Gillermo, Guglielmo, Guilherme, Guillermo, Gwillyn and Gwilym.

Guillaume has 31 more alternative forms via William: Bill, Bille, Billie, Billy, Liam, Vilhelm, Villem, Wilek, Wiley, Wilhelm, Wilhelmus, Wilkes, Wilkie, Wilkinson, Will, Willem, Willhelmus, Willi, Williams, Williamson, Willie, Willis, Willkie, Wills, Willson, Willy, Wilmer, Wilmot, Wilmott, Wilson and Wim.

Kreatif forms: Gillaume, Guillauge, Guillaupe. [more]

pinHow popular is Guillaume?

Guillaume is a rare given name for men but a very popular last name for both adults and children (#11719 out of 150436, Top 8%). (2000 U.S. Census)

Bill, Billie, Billy (#794 2 years ago), Guillermo (#678), Liam (#2), Wiley, Wilhelm, Will (#763), William (#5), Williams, Willie (#722), Willis, Willy, Wilmer and Wilson (#594) are the popular alternative forms of Guillaume (not ranked). Other variants, like Wilhelmus, are seldom used. Usage of these relations of Guillaume reached its peak during 1920-1929 (average #412) and is now much reduced (#770, 60.9%). William is the continual favorite, though Liam is currently the more favored form, while forms such as Billy, Guillermo, Will, Willie and Wilson are no longer trendy. Below is a graphed analysis of the usage of Guillaume and corresponding names. (Top 1000 Baby Names Records, 2014)

Top 1000 baby names ranking of Bill, Billie, Billy, Guillermo, Liam in U.S.

Top 1000 baby names ranking of Wiley, Wilhelm, Will, William, Williams in U.S.

Top 1000 baby names ranking of Willie, Willis, Willy, Wilmer, Wilson in U.S.

Top 100 baby names ranking of Billy, Liam, Wilhelm, Will, William, Wilmer outside U.S.