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