Key Family History
Key Surname Meaning
English, Irish, and German: variant of Kay. Dutch: variant archaic or Americanized of Keij from the personal name Kei(je) possibly a vernacular form of Cornelius, Nicolas, or Gerrit (see Gerrits).
Compare De Kay. Chinese: variant Romanization of the surname 祁 see Qi.
Source: Dictionary of American Family Names 2nd edition, 2022
