Thomas Hallet m. (1) 9 Apr 1719 Sarah Hawes, m. (2) 8 Feb 1721-2 Hannah Gray, m. (3) 19 Aug 1750 Desire Gorham, m. (4) widow Mary (Gorham) Hedge. Will dated 21 Feb 1770, probated 4 May 1772, mentions wife Mary Hallett; nephew Thomas Hallett, son of his brother Jonathan; nephews Jonathan and Jeremiah, sons of brother Jonathan; nephew Ebenezer Hallett, Jr.; nephews Jonathan and Abner, sons of brother David; nephews Moses, Joshua, and Isaac, sons of brother Timothy deceased; rest of estate to adopted son Joshua Gray [sole executor], son of second wife Hannah Gray.