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Last name Kalby (Kalby
, Калби
, Калбы
) , around the world, is a rare cognomen. The last name Kalby is characteristic of Egypt, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Nicaragua. Not in comparison with a country's population, this name is the most popular in Egypt, the United States, and Kyrgyzstan. Also, Kalby is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalby | Egypt, Philippines, Brazil, India, United States |
| Калбы, Калби | Kazakhstan, Kyrgyzstan, Russia |