Boy name origins & meanings German : Army of the peopleGerman : Ever-powerful ruler Boy name variations Deiter Deyter Dietrich Deitrich Deitrick Deke Didric Didrick Diedrich Diedrick Diedrik Dieterick Dietric Dietrick Family name origins & meanings German : from the Germanic personal name Theudhar, composed of theud ‘people’, ‘race’ + hari, heri ‘army’.