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In the world, Raison (Raison , Rezon , Reson ) is quite a common unisex forename. The first name Raison is habitual in Guadeloupe, where it is quite a common female name, the Democratic Republic of the Congo, where it is quite a rare epicene name, and the Dominican Republic, where it is a rare male name. Not in comparison with a country's population, it is the most numerous in the Democratic Republic of the Congo, India, and Brazil. Also, Raison is the last name as well as the forename.
Raison is also a name for the fictitious and mythical characters: Rezon the Syrian , the enemy of King Solomon mentioned in 1 Kings.