Patronymically from Uzziy'el; an Uzzielite (collectively) or descendants of Uzziel -- Uzzielites.
see HEBREW Uzziy'el
H5817. Ozzieli
עָזִּיאֵלִי adjective, of a people of foregoing, with article as substantive collective Numbers 3:27 (Ginsbmargin {abbrev}הָעַזּ); ׳לָעָז 1 Chronicles 26:23.