The Spanish surname Guerra, also found in Portugal and Italy, is a nickname for a belligerent person or for a soldier, from the Spanish wordguerra meaning “war.” Records of the name include Magdalena Ortiz Guerra, at Nazar, Navarra, Spain, on October 19th 1586, and Bartolome Guerro, at San Sebastian, Spain, on September 28th 1613, when he married Ana de Ortega. An interesting recording is that of Maria Joseph Guerra-Noriega, at Santa Barbara, California, on July 2nd 1826.Today there are approximately 55,000 bearers of the name Guerra living in the United States.