Underdown Family History
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Underdown Name Meaning
English: topographic name for someone who lived at the foot of a hill (Old English dun), or a habitational name for someone from a place so named, for example in Kent.
Source: Dictionary of American Family Names ©2013, Oxford University Press
Similar surnames: Underwood, Underhill, Underberg, Anderton, Smerdon, Sneddon, Dedon