For background on how the map was made (and its flaws), see the relevant blog entry.
|Aralt||Harold: líon beag: B.Á.C., Luimneach &rl. Lochlannaigh a bhí suite sa dá chathair seo roimh theacht na Normannach. Féach Harailt, leis. IF & SI.|
|Harold||Quite numerous: Dublin and scattered. Well-known Teutonic first name associated with Norse families in Dublin and Limerick. Pre-dating the Norman invasion. IF.|
|Harrold||fairly rare: Limerick-Tipperary etc. Ir. Haralt. A Norse name associated with Limerick and so, perhaps, one of the founding families of that city. SI.|
|Herald||fairly rare: E Ulster. English, used for Harold, q.v.|
DEDs where Harold and a second surname are found together