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