Langdon is a variant of Landon. Landon is an English name, derived from the Old English words 'lang', which means 'long', and 'dun', which means 'hill or mound'.
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Langdon is a variant of Landon. Landon is an English name, derived from the Old English words 'lang', which means 'long', and 'dun', which means 'hill or mound'.