Household of her father, William Estes, she is listed as age 13 (born abt 1837). [Note: in 1860, household of Matthew Cox, Fredericksville, Albermarle, age 25 (born abt 1835); in 1870, household of Leah Cox (mother-in-law), Fredericksville, Albemarle, age 30 (born abt 1840).]
Cox, Martha E, age 40, F Cox, Mantresso C, age 23, M Cox, Margarett E, age 22, F Cox, John B, age 19, M Cox, George W, age 13, M Cox, Leah, age 77, F [mother] Eustis, Maria, age 75, F [no relationship specified]