According to Shirley the mystery has been solved, "Thanks to research sent to me by Pam Geisler Smith.  Anna Anderson, a sister to my great grandmother, Sarah Anderson Gentry, wife of Allen Gentry Jr., married Joseph Watson of Missouri and one of their children was Sarah J. Watson and she married Abram Allen Hunt (of the Squire Hunt family) on 2 Jun 1867. Therefore, she was an Aunt of my grandparents, William and Nettie Gentry."    The lady in the picture is Sarah J. Watson Hunt. Mystery solved April 26, 2005.