Thanks to this world map that shows the density of people with the surname Marrelli in different countries, you can get an idea not only of the popularity of the surname Marrelli in each country but also of the different migrations of people surnamed Marrelli.
The quantity of people with the surname Marrelli that we can find in each country can help us discern the origin of the surname Marrelli, as logic tells us that the place with the most people surnamed Marrelli will be the country or area of origin of the surname Marrelli.
Globalization can make the surname Marrelli 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 Marrelli greatly aids all those who seek a deeper knowledge about the surname Marrelli.