No children from her third marriage to Lieut. James Stewart (findagrave.com)
She married, first, at Deerfield,MA on Aug 29,1751, John Kately. He was a resident of Colrain,MA by 1750, and he died before 1753.
She married, second, about 1755, John Anderson Jr. He was born c.1728 at Londonderry,NH, a son of John and Mary ____ Anderson, settlers at Colrain in 1742. John and Margaret moved to Shelburne between 1770 and 1773.
She married, third, after 1784, James Stewart Jr. There were no children of this marriage.
Children(by first marriage): Hannah Kately and John Kately.
Children(by second marriage): Mary Anderson Barber, James Anderson, Rebecca Anderson Linn, David Anderson, Lydia Anderson, Elizabeth Anderson, Jonathan Anderson, Margaret Anderson Torrey, Samuel Anderson, Martha Anderson, and Sarah Anderson.