FamilySearch.org has a FREE database titled MARYLAND, BALTIMORE PASSENGER LISTS, 1820-1948 which includes 937 people showing Greece as their place of birth . Record Description from FamilySearch.org This collection consists of the index and images of passenger arrivals in Baltimore, Maryland. This collection contains records from three NARA publication including M255 (Passenger Lists of Vessels Arriving at Baltimore, 1820-1891); M596 (Quarterly Abstracts of Passenger Lists of Vessels Arriving at Baltimore, 1820-1869); and T844 (Passenger Lists of Vessels Arriving at Baltimore, 1891-1948). The passenger arrival list was used by legal inspectors to cross-examine each immigrant during a legal inspection prior to the person being allowed to live in America. Only two percent of the prospective immigrants were denied entry. The information was supplied by the immigrant or a traveling companion (usually a family member). Incorrect information was occasionally given, or mistakes...