Meaning and name origin
Diedrick \di(e)-dri-ck, died-rick\ as a boy's name is of Danish and Old German origin, and the meaning of Diedrick is "people's ruler". Diedrick is a variant of Dedrick (Danish, Old German): variant of Diedrick and Theodoric.
Diedrick has 1 variant form: Dedric.
Diedrick is not a popular first name for males but a somewhat popular surname or last name for all people (#47676 out of 88799, Top 54%) (2000 U.S. Census).