Deryck

Deryck is an English variant spelling of Derek, which derives from the medieval Low German name Diederik, itself a form of the Old High German name Theodoric, composed of the elements theud meaning people and ric meaning power or ruler. The name was introduced to England through Flemish and Dutch settlers during the medieval period and became particularly widespread in Britain during the 20th century. Common alternate spellings include Derek, Derrick, and Deric.