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In the world, Bayh (バイ , Bayh , Бай ) is a rare unisex first name. The first name Bayh is characteristic of Bulgaria, where it is a rare boy's name, Ethiopia, where it is a rare unisex name, and Kyrgyzstan, where it is a rare boy's name. Not in comparison with a country's population, it most frequently occurs in Ethiopia, Morocco, and Bulgaria. More prevalently, Bayh is the last name as well as the forename.
Bayh is also a name for the fictitious and mythical characters: .