Globally, Gillilan (Gillilan 
) is an extremely rare girly first name. Predominantly, Gillilan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gillilan | Canada, New Zealand, Australia, United States, United Kingdom |
| davis gillilan American politician, US (b. 1812) |
|
|
|
strickland gillilan American writer, US (b. 1869) |
|