Roger,
I found a 1850 census that lists a Lucinda C Stancell living in South Carolins, Pickens County, Eastern Division. age 13, born around 1836 or 1837. it lists the following person living in the home. hope this helps.
Stancell, Eli, head, age 49 from SC.
Sarah, wife, age 42 from SC.
Yancy M, son, age 24 from SC.
Elizabeth, daughter, age 23 from SC.
Alfred J, son, age 19 from SC.
Rebecca M, daughter, age 18 from SC.
John H, son, age 18 from SC.
Willie A, son, age 15 from SC.
Lucinda C, daughter, age 13 from SC.
Warren H, son, age 9 from SC.
Eli N, son, age 3 from SC.