A professional who conducts research into genealogical background of individual or family in order to establish descent from specific ancestor or to discover and identify forebears of individual or family. Responsibilities include:

• Consults American and foreign genealogical tables and publications and documents, such as church and court records, for evidence of births, baptisms, marriages, deaths, and legacies in order to trace lines of descent or succession.
• Constructs chart showing lines of descent and family relationships.
• Prepares history of family in narrative form or writes brief sketches emphasizing points of interest in family background.