American passports in the early twentieth century provide significant genealogical detail, including in many cases information about the father of the applicant. Did your relative of interest have a sibling, aunt/uncle, or first cousin who applied for a passport? If so, there could be valuable clues hiding in their passport application.
Would these be available from the National Archives?
ReplyDeleteYes. Here's a blog post with additional information http://rootdig.blogspot.com/2015/05/united-states-passport-applications.html
DeleteI've seen some passport applications on line that show a picture of the applicant.
ReplyDeleteAlso available at FamilySearch.org (for free).
ReplyDeletehttps://familysearch.org/search/collection/2185145