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In all the world, Гиллис (Gillis , Gillies , Гиллис ) is quite a rare predominantly boy's, but very infrequently female forename. The first name Гиллис is habitual in Sweden, where it is quite a rare boy's name, Belgium, where it is quite a rare predominantly masculine, but scarcely feminine name, and the Democratic Republic of the Congo, where it is a rare male name. In absolute terms, it most frequently occurs in the Democratic Republic of the Congo, the United States, and Sweden. More prevalently, Гиллис is the last name as well as the forename.
Гиллис is also a name for the fictitious and mythical characters: .