Charnock Family History
Charnock Surname Meaning
English (Lancashire and Yorkshire): habitational name from Charnock Richard or Heath Charnock in southern Lancashire which are probably named with a derivative of Celtic carn ‘cairn pile of stones’ (see Cairns).
Americanized form of Slovak Černok a variant of Černík (see Cernik).
Source: Dictionary of American Family Names 2nd edition, 2022