For background on how the map was made (and its flaws), see the relevant blog entry.
| Cahoon | fairly numerous: E Ulster. Ir. Colchún. A variant of Colquhoun, a Scottish name from Dunbarton. Known in Scots Gaelic as Mac a' Chounich. More frequently Colhoun in Ulster. |
DEDs where Cahoon and a second surname are found together
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