Will of "Mary Thayer of Mendon ... Spinstress and Widow and Relict of Thomas Thayer of Mendon Gent'n Deceased", dated 7 Aug 1740, proved 4 Feb 1745/6, names son Thomas Thayer; son Samuel Thayer; sons David Thayer, John Thayer, and William Thayer; daughter Mary Albee; daughter Temperance Legg; daughter Elizabeth White; daughter Margaret Smith; daughter Jemima Baxter; granddaughter Priscilla Taft; granddaughter Elizabeth Thayer; granddaughter Mary Thayer daughter of son David Thayer; grand daughter Ruth White. Son John to be executor.
Codicil dated 14 Oct 1743, noting legacy for daughter Mary Albee to go to her daughters Mary Wood, Martha Sheffield, Elisabeth Allbee and Margaret Albee; legacy for daughter Temperence Legg to go to her daughters Margaret Legg & Jemima Legg; granddaughter Mary Thayer daughter of David Thayer having deceased her legacy to grandson David Thayer son of David Thayer.
31 Dec 1745: Thomas Thayer, Samul Thayer, David Thayer, & W'm Thayer all of Mendon, James Albee & Mary his wife of Mendon, John Legg & Temperance his wife, W'm White & Elizabeth his wife all of Mendon Robert Smith & Margarett his wife of Bellingham, Joseph Baxter & Jemima his wife of Uxbridge cited to appear.
3 Jan 1745/6: Inventory of Mary Thayer Widow late of Mendon Deceased: £205-18-11, by Daniel Lovett, Ebenezer Merriam, John French.
4 Feb 1747/48: Account of John Thayer Ex'r of will of Mary Thayer late of Mendon Dec'd, allowed.