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Surname Songui (Songui
) , across the world, is a rare last name. The cognomen Songui is characteristic of the Democratic Republic of the Congo, where it is a rare surname, Canada, where it is a very rare surname, and the United Kingdom. Measured by absolute frequency, it is the most numerous in the Democratic Republic of the Congo, the United States, and Canada. Much less frequently, Songui is the forename as well as the last name.