The origin of surname is Alesandrini Alessandrini or Florence, originally the capital of Tuscany, then capital of the kingdom of Italy.
Some variations of the surname: Alessandri, Alessandro, Alessndra, lassandre, lassandre.

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.

One of the first members of this surname that it was Giovanni Alessandro came to Colorado in 1890.