For background on how the map was made (and its flaws), see the relevant blog entry.
|Mann||fairly numerous: mainly in Ulster, with some in Limerick and Midlands. Woulfe gives Ir. Ó Macháin, but it seems that the Ulster people came from Scotland, deriving from first name Magnus, so they may properly be Mac Mánuis. See also Main. Further this name may be English and was so recorded in mediaeval times. SI.|
DEDs where Mann and a second surname are found together