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