Archibald married Cynthia Hyde on 16 Mar 1818 in Of Mansfield, Tolland, Connecticut. Cynthia (daughter of Daniel Hyde and Mary) was born on 4 Dec 1792 in Lebanon, New London, Connecticut, United States; was christened on 29 Oct 1797 in Oxford, New Haven, Connecticut, United States; died on 6 Mar 1853 in Hartford, Hartford, Connecticut, United States; was buried in 1853 in Hartford, Hartford, Connecticut, United States. [Group Sheet] [Family Chart]

1. Mary T. Welch was born on 3 Feb 1817 in Mansfield, Tolland, Connecticut, United States; died on 10 Aug 1850 in Hartford, Connecticut, United States; was buried in 1850.
2. Henry Kirk White Welch was born on 1 Jan 1821 in Hartford, Hartford, Connecticut, United States; died on 25 Nov 1870 in Hartford, Hartford, Connecticut, United States; was buried in 1870 in Hartford, Hartford, Connecticut, United States.
3. Clarissa Ashley Welch was born on 3 Apr 1825 in Mansfield, Tolland, Connecticut, United States; died on 26 Feb 1912 in Kings, Saratoga, New York, United States; was buried on 29 Feb 1912 in Hartford, Hartford, Connecticut, United States.
4. Moses Cook Welch was born on 31 Jul 1827 in Mansfield, Tolland, Connecticut, United States; died on 17 Apr 1913 in Windsor, Hartford, Connecticut, United States; was buried in 1913 in Windsor, Hartford, Connecticut, United States.
5. Archibald Hyde Welch was born in Sep 1829 in Lebanon, New London, Connecticut, United States; died on 7 Apr 1898 in Morristown, Middlesex, New Jersey, United States.