Lewis (surname) Anglicised into "Lewis", with among the earliest examples being the Lewis family of Glamorgan in the 1540s. Another is the Gaelic surname "Mac Lughaidh", meaning "son of "Lughaidh"", which has also been Anglicised as "Lewis". The surname "Lewis" is also an Anglicisation of several like-sounding Jewish surnames, such as "Levy" or "Levi", and of the Arab form of the name "Elias". Lewis is the 4th most common surname in Saint Vincent and the Grenadines, 6th most common surname in Wales, 22nd most common in England, 24th most common in the United States and 129th most common in Scotland. Lewis (surname)
Eolais mac Biobhsach manuscripts going back almost two hundred years. O'Donovan claimed the family name ( "descendent of Eolais") is still found anglicised as "Olus" or "Olis". two instances of the surname corrupted as "Oelase" and "Olase", are found in the Irish Fiants for Leinster. The surname must be very rare. Eolais mac Biobhsach Eolais "mac Biobhsach" (alias " "knowledge", anglicized "Wallis", "Olis" or "Olus" ) was a chieftain of 10th century Gaelic Ireland. He is noted as the first "full chieftain of Conmaicne Réin". His descendants, "the Muintir Eolais", expanded into the territory of present day south county Leitrim, and parts of