There probaly alot of colombos. That guy dino and his brothers and cousins were all born over there. Then there was a colombos going guy who was stabbed then went back to Sicily for free health care.
Walter Stamperi
you'd assume italians all get named enzo, carmine, gianni...
but sometimes then you get a Walter
edit:
http://nypost.com/2011/01/22/mob-clans-feuded-over-knifed-thugs-med-bills/ few guys mentioned in this article have old country names:
Giovanni Vella - Gambino
Vincenzo Frogerio - Gambino
Ilario Sessa - Colombo