The Archives of the Archdiocese of San Antonio was begun by Sister Gertrude Cook, MSSA in 1974 under Archbishop Francis Furey. In 1974 the archdiocese comprised of 32 counties in south central Texas. Its mission is to safeguard and preserve the sacramental records and other records of historical and enduring value as well as objects related to the development of the Catholic Church in the Archdiocese of San Antonio. Canonically the archives are the direct responsibility of the Chancellor but they are administered by the archivist who has been appointed to the position by the archbishop to fulfill this mandate. The archives seeks to promote an understanding of the origin, history, growth and goals of the archdiocese as reflected in the workings of its offices, agencies and institutions. The records begin with the first recorded Baptism October 6, 1703.
Official records are defined as:All recorded information regardless of media type or characteristics, made or received and maintained by an office, agency or institution in pursuance of its legal obligations of its business.