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