Constantin Family History
Constantin Surname Meaning
Romanian and French; Spanish (Constantín): from local equivalents of the Latin personal name Constantinus or Greek Konstantinos (see Constantine).
Galician (Constantín): habitational name from any of the places called Constantín in Lugo province Galicia (Spain).
American shortened (and altered) form of any of various Greek derivatives of the personal name Konstantinos or its variant Constantinos (from Latin Constantinus; see Constantine) e.g. patronymics Konstantinidis which is also spelled Constantinides or Constantinidis and Konstantinopoulos.
Compare Constant
Source: Dictionary of American Family Names 2nd edition, 2022