Susanna was born in Marblehead, MA to Mark Jr. and Susannah Haskell. She was baptised on June 11, 1732, so her birthday was likely in either late May or early June. Susanna was the third of at least four children born to her parents--none of the children had their births recorded, only their baptisms, so it is entirely possible that she had siblings who died before they could be baptized. On November 27, 1753 she and Peter Jayne were married by the Reverend Simon Bradstreet,