The origin of the distinguished surname Andreis may be located in the ancient and beautiful 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 age, people often gave as a second name to their children the names of saints or biblical figures.
The name Andreis comes from the Greek name Andreas, meaning manly, the name Andros comes from Andreas or Aner meaning man.