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Across the world, Idus (Ide , Idos , Idus ) is quite a common epicene forename. The first name Idus is habitual in Sub-Saharan Africa, particularly Cameroon, where it is quite a rare female name, Togo, where it is quite a rare masculine name, and the Democratic Republic of the Congo, where it is quite a rare largely male, but infrequently female name. Measured by absolute frequency, it most frequently occurs in Indonesia, the Democratic Republic of the Congo, and Nigeria. Also, Idus is the last name as well as the forename.
Idus is also a name for the fictitious and mythical characters: Ide , the mythical wife of Lycastus of Crete.