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)
Mac and Mc together in print two publications on filing rules, one covering that "word-by-word" convention, and another prepared in 1980 that is "letter-by-letter". A 1998 book attributes the changes to the rules to computer informatics, and notes the Mac/Mc change as its first example. 1982's "Scottish Roots", a guide for family history researchers, warns that older Scottish records do not in fact follow this convention, unlike contemporary telephone directories. A 2001 book of "New York Times" theatre reviews sorts Mc names as if spelled Mac. A 2002 official document for the State of Vermont recommends explicitly no special treatment for Mac and Mc.