Submitted NameRevisions Save Gender Masculine Usage English Pronounced Pron. TRIG [key] Edit Status Status [show contributorshide contributors] Added 9/30/2014 by AustraLiana Edited 10/2/2014 by LMS Meaning & History Surname name, from the Old Norse name Tryggr, meaning “trustworthy, faithful, true”. As a personal name, TRIG and Trigg have been in use since medieval times. May also be a diminutive of TRIGGER.