Submitted NameRevisions Save Type Surname (from nickname & ornamental) Usage German, Jewish Pronounced Pron. TROI [key] Edit Status Status [show contributorshide contributors] Added 8/4/2014 by Goweegie2 Edited 7/24/2017 by LMS Meaning & History From a nickname for a trustworthy person, from late Middle High German triuwe ‘loyal’. As a Jewish surname it is mainly ornamental.