Here’s another entry I found in the county court minutes for Morgan County:
Came John Dupee a mulatto man of a bright color aged about 24 years of a bright color [sic] about five feet ten inches hight [sic] his middle toes grown together on both feet with the following affidavit (viz), Personally appeared Rebecca Dupee before me John Williams an acting Justice of the peace of said County and made oath in due form of law that John Dupee a mulatto boy is her child and that he is free born and was born in the county of Clabourn in the state of Tennessee aforesaid and having no record of his age but as well as she recollects he was born some time in the year A.D. 1830. [signed] Rebecca Dupee, her x mark) Sworn to before me this 2nd day of Dec. 1854. John Williams Justice of the Peace. The court being acquainted with Rebecca Dupee a white woman whose signature appears to the above affidavit and also personally acquainted with the said John Dupee are fully satisfied that he should be recognized as a free man of color.
Source: Morgan County, Tennessee, County Court Minutes, 1848-1861, John Dupee entry, Dec term 1854, p 344, FHL #978835, item 1, image 180.