History:

The Franco surname is believed to have originated in Spain, with some sources indicating that it may have originated in France.
The Franco surname is believed to have been used by Spanish nobility in the Middle Ages. It is also believed to have been adopted by Jews in Spain during the Inquisition, when many Jews adopted Spanish surnames to hide their Jewish identity.

Description:

The Franco surname is associated with Spanish culture and customs.
The Franco surname is associated with the Spanish custom of using both the father's and mother's surname. This custom is known as the 'patronymic system.'
The Franco surname has many variations, including Francos, Francus, Franca, Franciscus, and Francisca.