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Globally, Isaia (Isaia , Исайя, איסאיה ) is quite a rare boy's first name. The first name Isaia is habitual in Greece, where it is quite a rare boy's name, the Dominican Republic, and Madagascar. In absolute terms, the name is most common in Italy, Madagascar, and Greece. Also, Isaia is the last name as well as the forename.
Isaia is also a name from the Bible. Explore more in our Biblical names portal!
Isaia is also a name for the fictitious and mythical characters: Isaiah , the Israelite prophet, Isaiah.