Nancy Jane Cargile was born about 1829, in Christian County, Kentucky. She was the youngest of twelve children born to John Cargill, III and Nancy Elizabeth Lewis.
Nancy's family moved to Arkansas about 1837. Nancy appears on the 1840 Searcy County, Arkansas census with her family. The census lists her as a female 10-15 years of age.
Nancy appears on the 1850 Conway County census living with her brother Delemore Cargile and his family in Benton Township near Quitman. The census shows her as 22 years of age.
Nancy appears on the 1860 Conway County census living with her sister and brother-in-law, Martha P. and Clarborn Ward, and their family in Benton Township near Quitman. The census lists her as 31 years old.
Nancy appears on the 1870 Conway County census living again with her brother Delemore Cargile and his family, in Benton Township near Quitman. She is shown to be 38 years old and is listed on the census as a domestic servant.
It appears that Nancy never married.