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  • Portugal passport and naturalization records index
    • portuguese passport
    Temporary Portuguese passport issued to Guilherme do Espirito Santo to attend an international football match in Switzerland after the war, 1945.

    The citizenship and naturalization records of Portugal provide valuable insights for genealogists tracing family origins and migrations. Historically, Portuguese nationality laws have evolved, with records typically held at the Conservatórias dos Registos Centrais (Central Registry Offices) and local civil registry offices. Key documents include naturalization decrees, applications for citizenship, and related legal documents, often detailing birthplaces, parentage, and residency. Passport records, maintained at both national and local levels, can offer supplementary personal information and emigration patterns. As many Portuguese emigrated to Brazil, France, the United States, Venezuela, and elsewhere, these records help trace international family movements. Together, they illuminate the legal paths through which individuals claimed or reclaimed Portuguese nationality.


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