History:

The surname DUSI is believed to have originated in Northern Italy, specifically in the region of Lombardy.
The surname DUSI is believed to have originated in the late 16th century, during the time of the Renaissance. It is thought that the name was derived from the Latin word “dus” which means “two”. This is likely due to the fact that the family likely had two branches in the region.

Description:

The DUSI family is believed to have been of noble heritage, and as such, they were likely to have been wealthy and well-respected in the region. They were likely to have been involved in the politics of the region, and may have even held positions of power.
As the DUSI family was of noble heritage, it is likely that their customs would have been quite different to those of the common people. They may have practiced certain religious ceremonies, and would have likely enjoyed different types of music and art compared to the general population.
The surname DUSI is believed to have had various variations over the years, including Dussi, Dussio, and Dusio.