For background on how the map was made (and its flaws), see the relevant blog entry.
|Wood||numerous: Belfast, Derry, Dublin, Cork etc. See Woods.|
|Woods||Very numerous: all areas, mainly Ulster. The name is English but it may stand for: Mac Giolla Choille, Mac Conchoille, Ó Caoilte, Ó Cuill, Mac Uilliméid. The first two belong to Ulster, the third and fourth to Munster and the last to the Midlands. However a substantial number of Woods are of English origin. SI.|