The origin of the distinguished surname Constantine or Constantino may be located in the old city of Venice.
Although people were originally known only by their first names, it became necessary to adopt a second name to identify due to population growth.

The most common type of family name found in the region of Venice was the surname that derives from the name of the father.
During the Middle Ages the Italians adopted the patronymic system for surnames.
Then in Italy during the Christian era, people often gave as a second name to their children the names of saints or biblical figures.
The nicknames as surnames usually reflected the physical characteristics of the first member of the lineage.
The surname Constantine or Constantine, Costante is the proper name, which derives its look from the Latin name Constans, meaning "steadfast."