Meaning & History
Shortened Anglicization of either Gaelic Mac Luathóg "son of Luathóg", itself derived from a diminutive of Gaelic luath, Manx leah "swift", or from Gaelic Mac Laoghóg "son of Laoghóg", which is derived from a diminutive of Gaelic laogh and Manx lheiy "calf".