In addition to essential parish and population records, Austrian genealogical research draws on a wide range of supplementary archival sources that illuminate daily life, property relations, occupations, and social status. These include cadastral surveys such as the Franciscan Cadastre, detailed land registers, inheritance and probate files, military conscription lists, school registers, and guild or apprenticeship records. For families in cities like Vienna, historical address registers, house books, and urban plans allow precise reconstruction of both residence and professional activity over time. In rural areas, tax assessments, estate inventories, and agricultural records provide valuable insight into land ownership, inheritance practices, and local economic conditions. Migration documentation, including internal registration forms, emigration lists, and overseas departure records, further enriches family histories by tracing movements within and beyond Austrian territories. Through careful and systematic analysis of these diverse sources, genealogical research transforms fragmented archival references into coherent, historically grounded, and contextually rich family narratives.