This is a Message Board Post that is gatewayed to this mailing list. Classification: Query Message Board URL: http://boards.ancestry.com/mbexec/msg/rw/EJB.2ACE/456 Message Board Post: Can anyone find listings for a Dr. I. N. Clark in Jefferson Co? I think this is my gg-uncle Isaac Clark. In 1870 he is listed in the same house with my gg-grandparents Absolom & Henrietta Clark. The census notes occupation as regular doctor. Any info would be great. Would he have been licensed by the state? Any ideas always appreciated. Thanks!!