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In the entire world, ישעיה (Isaiah , ישעיה , Yeshayah ) is a common largely masculine, but seldom female forename. The first name ישעיה is characteristic of Nigeria, where it is quite a common dominantly boy's, but seldom girly name, Trinidad and Tobago, where it is quite a common masculine name, and the United States, where it is quite a rare male name. Measured by absolute frequency, the name is most common in Nigeria, the United States, and South Africa. Likewise, ישעיה is the last name as well as the forename.
ישעיה is also a name for the fictitious and mythical characters: Isaiah , the Israelite prophet, Isaiah; Isaiah Crockett , the comics character, Teen Titans and Isaiah Bradley , the fictional character in Marvel Comics.