Surname Cailar (Cailar 
) , globally, is a very rare last name. The family name Cailar is habitual in France, where it is a very rare surname, Philippines, and Venezuela. Very seldom, Cailar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cailar | India, France, Philippines, Venezuela, Brazil |
| jacques du cailar French speleologist |
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| simone du cailar 1250 |
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