In this world map, you can check at a single glance which countries have more people with the surname Houlihan. As you can see, it's effortless to notice which countries have a higher number of people carrying the Houlihan surname.
Using graphic elements like this world map, to see in which countries or regions of the world the surname Houlihan is more common, is of great help.
Thanks to this world map that shows the density of people with the surname Houlihan in different countries, you can get an idea not only of the popularity of the surname Houlihan in each country but also of the different migrations of people surnamed Houlihan.
The quantity of people with the surname Houlihan that we can find in each country can help us discern the origin of the surname Houlihan, as logic tells us that the place with the most people surnamed Houlihan will be the country or area of origin of the surname Houlihan.
Globalization can make the surname Houlihan 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 Houlihan greatly aids all those who seek a deeper knowledge about the surname Houlihan.