Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Uthai
Usage: A man of the tribe of Judah living at the time of Exile and Return, only mentioned at 1Ch.9.4; son of: Ammihud (H5989K) § Uthai = "helpful" 1) son of Ammihud and a descendant of Pharez of Judah 2) one of the sons of Bigvai who returned from exile with the 2nd caravan with Ezra