| collia | (104) | colliard | (31) | ||
| collica | (107) | collidoro | (3) | ||
| colligiani | (66) | collina | (1193) | ||
| coacci | (163) | coaloa | (11) | ||
| coalova | (71) | coarelli | (22) | ||
| coati | (127) | coato | (65) | ||
| coatti | (232) | cobalchini | (45) | ||
| cobelli | (499) | cobellis | (38) | ||
| cobianchi | (441) | cobra | (94) | ||
| cobucci | (92) | coby | (1) |
