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Cognomen Riggan (Riggan , リガン) , throughout the world, is quite a rare surname. The last name Riggan is habitual in the United States, where it is a rare surname, Canada, and New Zealand, where it is a very rare surname. Measured by absolute frequency, it is commonest in the United States, Canada, and the United Kingdom. Much less frequently, Riggan is the forename as well as the last name.
VARIANT | COUNTRY |
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Riggan | Germany, United Kingdom, Philippines, United States, Canada |