The quantity of people with the surname Masio that we can find in each country can help us discern the origin of the surname Masio, as logic tells us that the place with the most people surnamed Masio will be the country or area of origin of the surname Masio.
Globalization can make the surname Masio be found in almost every country around the globe, but being able to see the density of people residing in a country with the surname Masio greatly aids all those who seek a deeper knowledge about the surname Masio.