Cognomen キールティ (キールティ 
, Kielty 
) , in the world, is quite a rare family name. The surname キールティ is habitual in Ireland, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Ireland. Much less frequently, キールティ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| キールティ | Japan |
| Kielty | United Kingdom, Australia, Ireland, United States, Canada |