Viscount of Vilarinho de São Romão (
Portuguese: Visconde de Vilarinaho de São Romão) is a title created by Queen
Maria II of Portugal, by decree dated 17 September 1835, in favour of
António Lobo Barbosa Teixeira Ferreira Girão (
Sabrosa, Vilarinho de São Romão, 5 November 1785 - Lisbon, 17 March 1863], Member of the House of Lords, without descendants.
The Girão family is directly descended from Manuel Girão, son of a Spanish noble, António Girão (or Giron), belonging to the House of the
Dukes of Osuna, who, in the early 16th century lived in
Montemor-o-Velho, Portugal and who was also the father of Amador Girão (his eldest son), married D. Maria Freire de Andrade from the House of Corujeira, Vouzela (Portugal) from whom the Girão branch of Beira Alta (Portugal) follows.
Anuário da Nobreza de Portugal (in Portuguese), Lisbon, Portugal, 1985{{
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Nobreza de Portugal (in Portuguese), Lisbon, Portugal, 1961{{
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Souza Girão e Valle na descendência de D.Pedro e D. Inês de Castro (in Portuguese) (II ed.), Lisbon, Portugal, 2007{{
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link)