Check Greene Co. TN marriages Malichi YEAKLEY mrd Irene NICELY recorded by John Grabtree, J. P. 1 Aug 1840
I have a note from another researcher, just the note not the document itself. If this is your ancestor, he is son of Henry YEAKLY b. 1770 d, 1790-94 bur. Quaker Cem. Green Co. TN but he was a Lutheran.He married Susannah McNEES/McNEECE d/o Isaiah McNEECE & Esther???. Susannah died 1866. she was a Quaker.
I descend from Henry & Susannah's son Henry, Jr. b. Feb 14 1800 Greene Co. TN, died 8 April 1876 Americus, Lyons Co. KS. His daughter was Mary Ellen YEAKLY who married William LANE in Council Grove, Moris Co., KSFeb 22, 1869. Mary Ellenwas my great grandmother (my fathers maternal grandmother).