Family name Давидсен (Davidsen 
, Давидсен 
) , in the entire world, is quite a common last name. The last name Давидсен is habitual in Greenland, where it is a common surname, Denmark, where it is quite a common surname, and Norway (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Denmark, Norway, and New Zealand.