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