Lincoln Co TN Deed Book G, p.265
8 Aug 1816 James Downing of LCT to William Swain of Giles
Co TN 80 acres on waters of Bradshaw Creek.
An old query I found online included this information. I need to go back and check it out. Interesting that he was "of Giles Co" prior to Lincoln.
Ansearchin News, Volume 34, Winter 1987 has this information for the Swain surname
Surname Index: Swain 128 147 148 150 151 152 186
McNairy Marriage Record: Susanna Swain m. J.N. Johnson 7 Nov 1861 R.M. Thompson (Officiant)
Index to Lincoln County, Tennessee County Court Minutes, 1830-1833: SWAIN William 212 278