Femme Sole refers to an unmarried woman, never married, widowed, or divorced. A married woman who is independent of her husband with respect to property is also called a femme sole.
A married woman becomes a femme sole trader under certain conditions. The conditions are that:
(1)she and her husband are shown to have lived separate and apart for more than one year;
(2)marital relations between them have ceased;
(3)the husband has not supported or contributed to the support of his wife; and
(4)the wife has supported herself by her own industry or out of her separate estate. [Auch Estate, 1950 Pa. Dist. & Cnty. Dec. LEXIS 60 (Pa. C.P. 1950)]