Dedrick

From a surname which was derived from the given name DIEDERIK.

DIEDERIK   male   Dutch
Dutch form of THEODORIC.
THEODORIC   male   History
From a Germanic name meaning "ruler of the people", derived from the elements theud "people" and ric "power, ruler". It was notably borne by Theodoric the Great, a 6th-century king of the Ostrogoths who eventually became the ruler of Italy. By Theodoric's time the Ostrogoths were partially Romanized and his name was regularly recorded as Theodoricus. The Gothic original may have been Þiudreiks.
OTHER FORMS
ANCIENT CELTIC: Teutorigos
ANCIENT GERMANIC: Theoderich, Theodoricus, Theudoricus, Theutrich, Þiudreiks
DUTCH: Dick, Diede, Diederick, Diederik, Dirk, Tiede, Ties, Tijmen
ENGLISH (BRITISH): Tel
ENGLISH: Dederick, Derek, Derick, Derrick, Deryck, Dirk, Teri, Terri, Terrie, Terry
FRENCH: Thierry
FRISIAN: Tiede
GERMAN: Diederich, Dierk, Dietrich, Dirk, Thilo, Till, Tillo, Tilo
HISTORY: Theodoric
MEDIEVAL GERMAN: Tielo
VARIOUS: Thelonius
WELSH: Tudor, Tudur