Lord
Lord—This name has been assumed by some of the Teirney sept (O'Tighearnaigh) in Co. Galway, and by M'Kernan (Mac Thighearnáin) in Co. Cavan. See Masterson.
Alphabetical Index of Anglicised Surnames in Ireland
See also Woulfe’s Irish Names and Surnames
… and O'Hart's Irish Pedigrees