68%RatingSave Gender Feminine Usage Irish Pronounced Pron. /ˈtʲɾˠa.sˠə/ [key·simplify] Meaning & HistoryExpand Links Possibly from Irish treise meaning "strength" or treas meaning "battle". It is also used as an Irish form of Theresa. People think this name isRate·Details informal upper class natural wholesome strong refined strange serious Categories conflict, Irish presidents, strength, uncertain etymology, war