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Worldwide, Barclay (Barclay , باركلي, Барклай ) is quite a rare primarily boy's, but scarcely female first name. The given name Barclay is characteristic of the Democratic Republic of the Congo, where it is a rare male name, the United States, where it is a rare primarily masculine, but very infrequently female name, and Canada, where it is a rare male name. Measured by absolute frequency, it is the most numerous in the United States, the Democratic Republic of the Congo, and the United Kingdom. More frequently, Barclay is the last name as well as the forename.
Barclay is also a name for the fictitious and mythical characters: .