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
Keller (surname) Munster. The Anglicized surname in Ireland has many different spellings including: O'Kelleher, Kelaher, Kelliher, Kellar, Keller, McKeller, MacKeller, and O'Keller. People whose surname is or was Keller include: Keller (surname) Keller is a surname with several origins. The Irish version, which is the most ancient in origin, comes from the Gaelic surname Ó Ceilechair. In modern German Keller means cellar or basement, but historically it designates a cellarer or winemaker. A Latinized form of "Keller" is "Cellarius". Keller is an Anglicized version of the Old Irish surname Ó Céilechair (meaning descendant of Céilechair). Céilechair was descended from Cennétig mac Lorcáin