There are 2 titles associated with this person.

@book{ wphp_24666
  author={Appleton,Nathaniel and Gerrish,Martha},
  year={1736},
  title={The Christian glorying in tribulation, from a sense of its happy fruits. A discourse occasion'd by the death of that pious and afflicted gentlewoman Mrs. Martha Gerrish (wife of Mr. Benjamin Gerrish, and daughter of the late Col. Foxcroft) who rested from all her pains and sorrows, April 14. 1736. Having newly compleated the 48th year of her age. By Nathanael Appleton, M.A. Pastor of the church in Cambridge. To which are annexed some of Mrs. Gerrish's letters.},
  publisher={J. Edwards \& H. Foster},
  address={Boston},    }
@book{ wphp_23902
  author={Gerrish,Martha and Appleton,Nathaniel},
  year={1740},
  title={The happiness of a holy life, exemplified in the sickness and death of the pious Mrs. Martha Gerrish, of Boston in New-England, who died April the 14th, 1736. ætat. 48. With a collection of very pathetick letters written by her, [...] To which is added, her funeral sermon.},
  publisher={Charles Rivington I \& James Leake I},
  address={London},    }