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Meaning and Origin of: Dietrich

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First name origins & meanings:

  • German : Ever-powerful ruler

Last name origin & meaning:

  • German : from the Germanic personal name Tederich (Theudoricus), composed of the elements theud ‘people’, ‘race’ + rīc ‘power(ful)’, ‘rich’. This surname is common throughout central and eastern Europe, particularly in the western Slavic countries. The forename occurs in a wide variety of local forms, especially in northern Germany. It is cognate with Dutch Diederik (see Dederick).