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