Here's the gist of my husband's line.  They were from the Barbourville/Flat Lick areas. Speculation that his ancestors are from Ireland.  I haven't gotten that far back.

****PROBABLE****
GGGG Grandfather - Nathaniel LAWSON
  b. 15 Mar 1755, King William County, Virginia
  d. 1842, Washington County, Kentucky
& GGGG Grandmother - Elizabeth Jane DAUGHERTY

****PROVEN****
|           
GGG Grandfather - Isham LAWSON
|              b. ca 1793, North Carolina Or Virginia
|              d. 20 Sep 1869, Cane Creek, Whitley County, Kentucky
|           
& GGG Grandmother - Nancy Jane CROLEY
|              b. ca 1795, North Carolina Or Tennessee
|              d. aft 1870, Cane Creek, Whitley County, Kentucky
|              m. ca 1815, Prob. Campbell County, Tennessee
|            |           
GG Grandfather - Isham LAWSON Jr.
|            |              b. 31 Jul 1831, Whitley County, Kentucky
|            |              d. 3 Jul 1904
|            |           
& GG Grandmother - Elizabeth 'Besty' HOLT
|            |              b. Feb 1835, Virginia
|            |              m. 5 Nov 1854, Campbell County, Tennessee
|            |            |           
G Grandfather - Lewis Hampton LAWSON
|            |            |              b. 22 Sep 1877, Knox County, Kentucky
|            |            |              d. 30 Apr 1946, Permon, Knox County, Kentucky
|            |            |           
& G Grandmother - Martha Eliz. PREIDEMORE
|            |            |              b. 25 Nov 1889, Kentucky
|            |            |              d. 5 Jan 1975, Knox County, Kentucky
|            |            |              m. 30 Apr 1904, Knox County, Kentucky
|            |            |            |           
Grandfather - Stephen Eugene LAWSON
|            |            |            |              b. 1924, Knox County, Kentucky
|            |            |            |           
& Grandmother - Anna Goins RIDNER
|            |            |            |              b. 1924
|            |            |            |            |            Father - Stephen Eli LAWSON
|            |            |            |            |              b. 1950, Knox County, Kentucky
|            |            |            |            |            & Mother - Susan LAMPHRON
|            |            |            |            |              b. 1950
|            |            |            |            |            |            Seth David LAWSON