Here is the grave Marker for Margaret Leavell Patterson.
Jean Leavell wrote:
MARGARET K. LEAVELL [Benjamin, Edward, Edward, Edward] was born December 06, 1814 (info from marker) in Lancaster, Garrard, KY married, 10 September 1840, James Patterson born b: 20 APR 1810 in KY. They had a daughter, Isabelle Patterson ( probably named for Benjamin's wife Isabelle), born 1843. She married Andrew Jackson Mershon and had sons Andrew Jackson Mershon and Herndon Mershon. See 1850 Fed Census, Garrard Co., KY, p. 244. (Household #649)....James Patterson 40 Farmer; Elizabeth 27 (nee Wooley, married 26 NOV 1846); Isabaelle 7; Margaret 2.