What does Williams mean?
Williams \wi-llia-ms\ as a name for boys. Williams' name origin is Old German, and the meaning of Williams is "determined protector". Williams is a derivative of William (Old German): from wil meaning "will".
Williams▼ has 33 related forms via William: Bill▼, Bille, Billie▼, Billy▼, Guglielmo, Guillaume, Guillermo▼, Liam, Vilhelm, Villem, Wilek, Wiley▼, Wilhelm▼, Wilhelmus, Wilkes, Wilkie, Wilkinson, Will▼, Willem, Willhelmus, Willi, Williamson, Willie▼, Willis▼, Willkie, Wills, Willson, Willy, Wilmer▼, Wilmot, Wilmott, Wilson▼ and Wim.
Williams is a very prominent first name for males (#596 out of 1220, Top 49%) and also a very prominent last name for both adults and children (#3 out of 150436, Top 1%). (2000 U.S. Census)
Shown below is the baby name popularity of Williams for boys. Williams reached its apex rank of #602 in the U.S. then, but is not found in the list at the moment. (Top 1000 Birth Names Statistics, 2014)
Below is a graphed comparison of the usage of Williams and corresponding names. Liam (#2 the previous year), William (#5), Wilson (#594), Guillermo (#678), Willie (#722), Will (#763), Billy (#794), Willy, Wilmer, Billie, Willis, Wilhelm, Wiley and Bill are the popular variation forms of Williams. Usage of these boy names was at its apex during 1920-1929 (usage of 0.5873%) and is now significantly lower (usage 0.2295%, down 60.9%), with forms such as Billy, Will, Guillermo, Willie and Wilson becoming somewhat dated. Liam (#2) is the most trendy birth name in this compilation. (Top 1000 Birth Names Statistics, 2014)