findagrave.com says she died June 21, 1883.
She married, first, on Feb 23,1825 at Colrain,MA, Benjamin Babcock of Leyden,MA.
She married, second, as his second wife, on Jan 3,1855 at Colrain,MA, Amos Stewart. (Lydia was a niece of Amos' first wife Margaret.)
Children(by first marriage): Adelaide Babcock. (Born about 1839/1840 -- following her father's death? She died in 1842.) - findagrave.com