Last name Kilyon (Kilyon 
) , all over the world, is a very rare family name. The last name Kilyon is characteristic of Northern Europe, particularly Isle of Man, where it is quite a rare surname, and the United Kingdom, where it is a very rare surname. Also, Kilyon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kilyon | Isle of Man, United Kingdom, United States, India, Spain |