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)
McKinley (surname) nickname given the deposed MacDunleavy dynasty royals while exiled in Tirconnell and elsewhere. Being, also, one of Ireland's ancient hereditary medical families, the MacDunleavy (variant English spelling MacDonlevy) were in Tirconnell accorded the high Gaelic status of "ollahm leighis" or the official physicians to the O'Donnell clan in County Donegal and practiced as physicians while exiled in Argyll, Scotland. The nickname was Mac an Leigh. Per this scenario the Gaelic language patronymic forming prefix "Mac" (meaning "descended of") is joined to the Gaelic language "Léigh" meaning leech, but denoting a physician. Leeching (medical) having been for millennia, in Gaelic Ireland