Tennessee Code Title 32. Wills § 32-1-111

(a) Married women, after February 15, 1941, may dispose of their property by will according to §§ 32-1-101 -- 32-1-108.

(b) Wills executed on or before February 15, 1941, by married women twenty-one (21) years of age or over, are valid to dispose of their realty or personalty, legal or equitable, in as complete manner as if executed by femes sole.