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Cognomen Sulcaite (Sulcaite ) , around the world, is a very rare last name. The family name Sulcaite is characteristic of Northern Europe, particularly Lithuania, where it is quite a rare surname, Norway, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Lithuania, the United Kingdom, and the United States.