Last name マッケンナ (Mckenna 
, マッケンナ) , globally, is a common cognomen. The cognomen マッケンナ is characteristic of Northern Europe, particularly Ireland, where it is a common surname, Guernsey, where it is quite a common surname, and the United Kingdom (explore the name in all countries). In absolute terms, it is the most numerous in the United States, the United Kingdom, and Ireland. Much less frequently, マッケンナ is the forename as well as the last name.