The surname O'Daal was first found in County Roscommon (Irish: Ros Comáin) located in central Ireland in the province of Connacht, where O Dathaill was a sept of the Silmurray. The name can also be found early on in County Cork where Walter O'Daal was charged with many thefts and jailed in 1295. John Roe MacDonagh O'Dahill resided in Bruree in County Limerick in 1579. Knogher O'Deaghill, born in 1529, appeared in front of a commission set to determine the bonds of the Earl of Ormond's ancient estates in County Kilkenny.
This web page shows only a small excerpt of our O'Daal research. More information is included under the topic Early O'Daal History in all our PDF Extended History products and printed products wherever possible.
Spelling variations of this family name include: Dahill, O'Deaghill, O'Daal, O'Dahill and others.
Early Notables of the O'Daal family (pre 1700)
More information is included under the topic Early O'Daal Notables in all our PDF Extended History products and printed products wherever possible.
Migration of the O'Daal family
Some of the first settlers of this family name or some of its variants were: Pat Dahill, who settled in Ontario in 1823; and Michael Dahill, who landed in Quebec in 1825. A number of immigrants disembarked in New York such as Thomas Dahil in 1866.