Thomas married Catherine CHAPIN on 31 Jul 1655. Catherine (daughter of Deacon Deacon Samuel CHAPIN and Cicely PENNEY) was christened in 1626 in Berry Pomeroy, Devon, ENGLAND; died on 4 Feb 1712 in Springfield, Hampden, MA. [Group Sheet] [Family Chart]

1. Sarah GILBERT was born on 19 Feb 1655 in Springfield, Hampden, MA; died on 4 Feb 1712.
2. John GILBERT was born on 18 Oct 1657 in Springfield, Hampden, MA; died in 1708 in Stratford, Fairfield, CT.
3. Thomas GILBERT was born on 15 Mar 1658 in Springfield, Hampden, MA; died on 14 May 1698.
4. Henry GILBERT was born on 1 Mar 1661 in Springfield, Hampden, MA; died on 17 Aug 1740 in Brookfield, Worcester, MA.