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Worldwide, Heidrich (Heidrich , Hydrick ) is a rare masculine first name. The first name Heidrich is habitual in the Democratic Republic of the Congo, where it is a rare male name, South Africa, where it is a very rare male name, and Philippines. Measured by absolute frequency, it most frequently occurs in the Democratic Republic of the Congo, Philippines, and the United States. Predominantly, Heidrich is the last name as well as the forename.