Thomas married Susanah Gleason in 1655 in Watertown, Middlesex, Massachusetts. Susanah (daughter of Thomas Gleason and Susanna Page) was born in 1634 in Framingham, Middlesex, Massachusetts; died on 26 Sep 1693 in Sherburne, Middlesex, Massachusetts. [Group Sheet]

1. Thomas Pratt was born in 1656 in Framingham, Middlesex, Massachusetts; died on 6 Feb 1741 in Framingham, Middlesex, Massachusetts.
2. Abial Pratt was born in 1658 in Framingham, Middlesex, Massachusetts; died in 1715 in Framingham, Middlesex, Massachusetts.
3. Joseph Pratt was born in 1663 in Framingham, Middlesex, Massachusetts; died on 31 Oct 1747 in Framingham, Middlesex, Massachusetts.
4. John Pratt was born about 1665; and died.
5. Philip Pratt was born in 1667 in Framingham, Middlesex, Massachusetts; died on 12 Feb 1739.
6. Ephraim Pratt was born in 1669 in Framingham, Middlesex, Massachusetts; died in 1750 in Shrewsbury, Worcester, Massachusetts.
7. Nathaniel Pratt was born in 1671 in Framingham, Middlesex, Massachusetts; died in 1736 in Massachusetts, United States.
8. Jonathan Pratt was born in 1673 in Framingham, Middlesex, Massachusetts; died in 1760 in Framingham, Middlesex, Massachusetts.
9. David Pratt was born in 1675 in Framingham, Middlesex, Massachusetts; died in 1731 in Framingham, Middlesex, Massachusetts.
10. Jabez Pratt was born in 1678 in Framingham, Middlesex, Massachusetts; died in 1718 in Hopkinton, Middlesex, Massachusetts, USA.