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Family name Deforest (Deforest ) , around the world, is quite a rare cognomen. The last name Deforest is habitual in the United States, where it is a rare surname, Canada, and New Zealand. Measured by absolute frequency, it is commonest in the United States, Canada, and France. Very seldom, Deforest is the forename as well as the last name.
VARIANT | COUNTRY |
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Deforest | Canada, Belgium, United States, New Zealand, France |