There is an 1823 record showing that "Lawson Dugger" legally changed his name to "Lawson Goodwin" (Acts of Tennessee 1796-1830, D part 3, 1823-28-103.1, shared by Dawn Oftel). I have not seen the original record so I'm not sure what else it may reveal.
7th Census of the United States - 1850 Name Age Sex Race Occupation Real $ Birth Place
Carter Co, TN - 1st Civil District
Page 161b, House # 42, Family # 42
Goodwin Lawson 66 M W (M 1804) 500 TN
Goodwin Celia 64 F W NC