Directories come in all types: city, telephone, county, regional, professional, religious, post office, street, ethnic, and school. The directories you search will depend on the type of information you know about the individual. The information that you can find in a directory depends on the type of directory. For example, city directories normally list names and addresses. In some city directories you can also find information For instance, a church directory may tell you about an individual's involvement in church activities, professional directories may give you insight into your ancestor's professional life,