Cognomen Ilaiy (Ilaiy 
) , in the world, is a rare family name. The surname Ilaiy is habitual in Israel, where it is quite a rare surname, and India, where it is an extremely rare surname. Also, Ilaiy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilaiy | Israel, United States, India |