The importance of genealogy. Genealogy is more than just tracing your family tree, it is about discovering your heritage, creating a story about your family, and possibly even creating a medical history.Discovering your family is a learning experience as well as a hobby.ecords â Records â Records. Your family genealogy will expose you to many different types of personal records. What you will find in these records may amaze you. For example, death records will provide you with a clue to any prominent illnesses that may occur within your family tree.