William married Sarah Howkins on 29 Jul 1788 in Bicester, Oxfordshire, England. Sarah (daughter of Joseph Howkins and Sarah Giles) was born in 1760 in Bicester, Oxfordshire, England; was christened on 27 Jul 1760 in Bicester, Oxfordshire, England; died in May 1837 in Kirtlington, Oxfordshire, England; was buried on 9 May 1837 in St Mary the Virgin's Church, Kirtlington, Oxfordshire, England. [Group Sheet]

1. Thomas Coxhill was born about 1789 in Kirtlington, Oxfordshire, England; was christened on 1 Feb 1789 in St Mary the Virgin's Church, Kirtlington, Oxfordshire, England; died in 1798 in Kirtlington, Oxfordshire, England; was buried on 5 May 1798 in St Mary the Virgin's Church, Kirtlington, Oxfordshire, England.
2. Joseph Coxhill was born on 19 Jun 1791 in Kirtlington, Oxfordshire, England; died in 1818 in Kirtlington, Oxfordshire, England; was buried on 4 Jan 1818 in St Mary the Virgin's Church, Kirtlington, Oxfordshire, England.
3. John Coxhill was born in 1794 in Kirtlington, Oxfordshire, England; was christened on 18 Jan 1794 in St Mary the Virgin's Church, Kirtlington, Oxfordshire, England; died in 1794 in Kirtlington, Oxfordshire, England; was buried on 21 Jan 1794 in St Mary the Virgin's Church, Kirtlington, Oxfordshire, England.
4. Catrinah Coxhill was born on 5 Apr 1795 in Kirtlington, Oxfordshire, England; and died.
5. Charles Coxhill was born on 21 Jan 1798 in Kirtlington, Oxfordshire, England; and died.
6. William Coxhill was born in 1799 in Kirtlington, Oxfordshire, England; was christened on 8 Sep 1799 in St Mary the Virgin's Church, Kirtlington, Oxfordshire, England; died on 7 Jan 1866 in Kirtlington, Oxfordshire, England; was buried on 13 Jan 1866 in St Mary the Virgin's Church, Kirtlington, Oxfordshire, England.