Coz Family History
Coz Name Meaning
Spanish (mainly Cantabria): possibly a nickname from coz ‘kick’. Alternatively perhaps a habitational name from El Coz (Asturias). Breton (mainly Le Coz): nickname from kôz ‘old’. Slovenian (Čož): probably an unflattering nickname from a variant of archaic čuž ‘fool’.
Source: Dictionary of American Family Names 2nd edition, 2022