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