In the entire world, גיילן (Gaylen 
, גיילן 
) is quite a rare unisex first name. The first name גיילן is characteristic of the United States, where it is a rare unisex name, Tunisia, where it is a rare masculine name, and Philippines, where it is a very rare predominantly female, but very infrequently boy's name. Measured by absolute frequency, the name is most common in the United States, Philippines, and South Africa. Very seldom, גיילן is the last name as well as the forename.