Diego

Diego is a Spanish and Italian masculine given name. It derives from a re-analysis of Sant Yago (Saint James the Greater) as San Diego. In Spanish-speaking countries, Diego and Santiago are common as given names; Diego, Santiago and Sandiego are found as surnames. The forms Tiago, Thiago, Diago and Diogo are seen mostly in Portuguese speaking countries. The name Diego can also be found in Italy. 2History The name is on record since the High Middle Ages, e.g., Diego de Acebo (13th century). During the medieval era, the names "Sant Yago", "Diago" and "Diego" coexisted. "Sant Yago" is used, for example, in a letter by James II of Aragon dated 1300: "[...] maestro de la cavalleria de Sant Yago et de la dita orden [...]". "Diago" is recorded, for example, in "Et fue a casa del Rey. e mostrolo a don Diago que era adelantado del Rey" (Fuero de Burgos,