Margaret was born about 1740, Calvert Co., Maryland. She is the Margaret Kinman named in the will of her mother, Cassandra (Childs) Smith which says: "I Give and bequeath to my Daughter Margarett Kinman the sum of five Shillings Sterling and no more as I have over paid her in her porsion."
She is no doubt the female (over age 45) in the 1800 Census of Pennsylvania in the household of Adam Smith (husband of her daughter Amy Kinman), especially since Margaret Kinman is mentioned in the 1805 will of Adam Smith (see below). Margaret is no doubt still living with daughter Amy during the 1810 and 1820 Census:
In 1805 Margaret was a beneficiary in the will of her son-in-law, Adam Smith 
Have you taken a DNA test for genealogy? If so, login to add it. If not, see our friends at Ancestry DNA.
Margaret is 17 degrees from Elizabeth Winter, 18 degrees from Antoine de La Mothe Cadillac and 16 degrees from Victoria of the United Kingdom of Great Britain and Ireland on our single family tree. Login to find your connection.