Thanks to this world map that shows the density of people with the surname Ferrioli in different countries, you can get an idea not only of the popularity of the surname Ferrioli in each country but also of the different migrations of people surnamed Ferrioli.
The quantity of people with the surname Ferrioli that we can find in each country can help us discern the origin of the surname Ferrioli, as logic tells us that the place with the most people surnamed Ferrioli will be the country or area of origin of the surname Ferrioli.