51%RatingSave Gender Masculine Usage English Pronounced Pron. /ˈwɪl.ɪs/ [key·simplify] Meaning & HistoryExpand Links From an English surname that was derived from Will, a diminutive of William. Related Names RootWillis (surname) PopularityDetails Last ranked #953 in 1993 United States People think this name isRate·Details classic mature upper class wholesome strong refined strange simple Categories A Song of Ice and Fire characters, currently out of the US top 1000, ends in -is, Gundam characters, NBA players, Philip K. Dick characters, Robert A. Heinlein characters, Squishmallows, surnames