Cosco Family History
Cosco Surname Meaning
Italian: masculinized form of Cosca, a topographic name from the Calabrian dialect word c(u)oscu ‘oak’, also ‘wood’.
Catalan (Coscó): topographic name for someone who lived by a dwarf holm oak.
Catalan coscó.
Source: Dictionary of American Family Names 2nd edition, 2022
