Smith (surname) usage has passed into "Smitty" being used as a surname itself. Other languages with different words for the occupation of "smith" or "blacksmith" also produced surnames based on that root. Words derived from the Latin term for smith (literally "one who works with iron"), such as the Italian words "fabbro" and "ferraio", are the root of last names common in several parts of Europe. In Ireland and Scotland, the word for smith, "gobha", is found in the surname "MacGouren"/"MacGouran"/"MacGowan"/"McGowan". This surname is an Anglicised form of "Mac a' Ghobhainn" (Scottish Gaelic), "Mac Gabhann" (Irish), meaning "son of the smith". In
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.