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