Worldwide, Jilby (Jilby 
) is a very rare unisex first name. The forename Jilby is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare gender-neutral name. Very seldom, Jilby is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jilby | United States, India, Philippines |