Colby Family History
Colby Name Meaning
English (eastern): habitational name from Colby in Norfolk and Westmorland Coleby in Lincolnshire or Coulby Newham in the North Yorkshire. The Colby placename derives from the Old Norse personal name Koli (a byname for a swarthy person from kol ‘(char)coal’) + Old Norse býr ‘settlement’. Americanized form of Norwegian Kolby . Americanized form of German Kolbe . Compare Kolby .
Source: Dictionary of American Family Names 2nd edition, 2022