Solomon married Abigail Clark on 9 Aug 1764 in Norton, Bristol, Massachusetts. Abigail (daughter of Seth Clark and Mary Wilde) was born on 28 Mar 1747 in Norton, Bristol, Massachusetts; died on 16 Jul 1830 in Springfield, Hampden, Massachusetts. [Group Sheet]

1. Elijah Caswell died in early 1800's.
2. Samuel Caswell was born about 1766 in prob Woodstock, Windham, Connecticut; died on 19 Mar 1823 in Springfield, Hampden, Massachusetts.
3. Abigail Caswell was born about 1767 in prob Woodstock, Windham, Connecticut; died on 2 Jul 1790 in Belchertown, Hampshire, Massachusetts.
4. Solomon S. Caswell was born on 22 Sep 1770 in Woodstock, Windham, Connecticut; died on 10 Jun 1850 in Troy, Rensselaer, New York; was buried in 1850 in Lansingburgh, Rensselaer, New York.
5. Zephaniah Caswell was born in 1773 in Connecticut; died on 24 Dec 1796 in Belchertown, Massachusetts.
6. John Milton Caswell was born on 2 Sep 1777 in Connecticut; died on 4 Sep 1857 in Lansingburgh, Rensselaer, New York; was buried in 1857 in Lansingburgh, Rensselaer, New York.
7. Asa Leonard Caswell was born about 1778 in Connecticut or Springfield, Hampshire, Massachusetts; and died.
8. Infant Caswell was born before 1 Jun 1786 in Belchertown, Hampshire, Massachusetts; died on 1 Jun 1786 in Belchertown, Hampshire, Massachusetts.