Cognomen Kalakailo (Kalakailo 
) , worldwide, is a very rare family name. The family name Kalakailo is characteristic of Lithuania, where it is a rare surname, Canada, where it is an extremely rare surname, and France. Not in comparison with a country's population, this name is the most popular in the United States, Lithuania, and France.
| VARIANT | COUNTRY |
|---|---|
| Kalakailo | Canada, Russia, United States, Lithuania, France |