Cognomen Алкорн (Alcorn 
, Алкорн 
) , in all the world, is quite a common last name. The cognomen Алкорн is characteristic of Australia, where it is quite a rare surname, Ireland, and the United States. In absolute terms, it is the most numerous in the United States, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Alcorn | United Kingdom, Australia, Ireland, United States, Canada |
| Алкорн | Russia |