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Guerrero Family HistoryThis unusual and interesting surname is of Old French pre 9th century origins. Recorded in many spellings including Guerre, Guierre, Laguerre (French), Guerra, Guerrero, (Spanish), Guerreiro (Portugese), Guerri (Italian), Guerriero (Sicillian), and Warr or Warre (English), the name derives from the word 'guerre' meaning 'war'. Seemingly the surname was originally a nickname, which described either a soldier who had returned home 'from the wars', or a 'belligerent' person. The word as 'guerre' was introduced into England by the Normans after the Conquest of 1066, but it is by no means clear as to how the surname spread to Italy and the Spanish peninsula, as it does not appear to have a Latin base.
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