The quantity of people with the surname Gatman that we can find in each country can help us discern the origin of the surname Gatman, as logic tells us that the place with the most people surnamed Gatman will be the country or area of origin of the surname Gatman.
Globalization can make the surname Gatman 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 Gatman greatly aids all those who seek a deeper knowledge about the surname Gatman.