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Around the world, Thayer (ثاير , Thayer , Тайер ) is quite a rare predominantly male, but scarcely feminine forename. The first name Thayer is habitual in Western Asia, particularly Iraq, where it is quite a rare male name, Israel, where it is quite a rare largely masculine, but infrequently girly name, and Syria, where it is quite a rare masculine name. Not in comparison with a country's population, it most frequently occurs in Iraq, the United States, and Syria. More prevalently, Thayer is the last name as well as the forename.
Thayer is also a name for the fictitious and mythical characters: .