Definition: Derived from the Latin word “marinus,” meaning ‘of the sea,’ the Marino and Marini surnames indicate someone who lives or works near the ‘mare,’ or sea.

Surname Origin: Italian, SpanishAlternate Surname Spellings: MARINI, MARIN, MARINELLI, MARINELLA, MARINIELLO, MARINETTI, MARINUZZI, MARINOLLI, MARINOTTI, MARINONI, MARINATO, MARINACCI

http://genealogy.about.com/library/surnames/m/bl_name-MARINO.htm

Grecco

Definition: Someone who originates from Greece.

Surname Origin: Italian

Alternate Surname Spellings: GRIECO, GRECI, GRECHI, GREGO

http://genealogy.about.com/library/surnames/g/bl_name-GRECO.htm