Isaac married Susannah Lucas on 21 Oct 1827 in All Saints, Castle Camps, Cambridgeshire, England. Susannah (daughter of Charles Lucas and Mary Unknown) was born about 1794; was christened on 26 Oct 1794 in Shudy Camps, Cambridgeshire, England; died in 1885 in Castle Camps, Cambridgeshire, England; was buried on 24 Feb 1885 in All Saints, Castle Camps, Cambridgeshire, England. [Group Sheet]

1. Jabez Lucas Chapman was born on 18 Dec 1825 in Biggleswade, Bedfordshire, England; was christened on 8 Feb 1837 in Congregational Chapel, Castle Camps, Cambridgeshire, England; died in 1861; was buried on 27 Oct 1861 in All Saints, Castle Camps, Cambridgeshire, England.
2. Jane Chapman was born on 23 May 1828 in Castle Camps, Cambridgeshire, England; was christened on 8 Feb 1837 in Congregational Chapel, Castle Camps, Cambridgeshire, England; died in 1898 in Castle Camps, Cambridgeshire, England; was buried on 2 Jun 1898 in All Saints, Castle Camps, Cambridgeshire, England.
3. George Chapman was born on 25 May 1830 in Castle Camps, Cambridgeshire, England; was christened on 8 Feb 1837 in Congregational Chapel, Castle Camps, Cambridgeshire, England; died on 27 Jun 1848 in Castle Camps, Cambridgeshire, England; was buried on 30 Jun 1848 in Congregational Chapel, Castle Camps, Cambridgeshire, England.