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