For background on how the map was made (and its flaws), see the relevant blog entry.
|Morrell||fairly rare: Ulster, Dublin etc. MacLysaght says this is a Huguenot name but it i also current in England. SI & DBS.|
|Ó Murghail||Morrell: cuíosach annamh: Cúige Uladh. D'fhéadfadh Morrell beith Úgóineach nó Sasanach annso. Tá an sloinne Gaelach ar aon dul le Ó Murghaile, q.v.|