Mrs. Rachel Buss, in the 59th year of her age; wife of Peter, March 19, 1743. [If this means 19 Mar 1743/44 and age 58, no later than 19 Mar 1685/86. If this means 19 Mar 1742/43 and age 59, no earlier than 19 Mar 1682/83.]
There is a Rachel Fletcher, d/o Joshua Fletcher and 2nd wife Sarah Wily, b. Chelmsford 27 Jun 1683, whose birth falls in the above date range. None of the secondary sources that cover this family seem to give any marriage or other disposition for her.