On 19 Oct 1744 when Oliver was 27, he first married
Thankful Parker (26339) , daughter of
Sergt. Eliphalet Parker (10390) (ca 1687-1758) &
Hannah Beach (22282) (17 Mar 1683/4-21 Dec 1749), in Wallingford, CT.
90 Born ca 1725 in Wallingford, CT.55 Thankful died in Wallingford, CT on 5 Jun 1772.55
Oliver and Thankful were first cousins once removed, as Oliver’s grandmother, Hannah Parker, was the sister of Thankful’s father, Eliphalet Parker.
Children of Oliver and Thankful (Parker) Hitchcock, born at Wallingford:
i. Mary, b. 13 Jul 1745, m. at Wallingford 30 Oct 1765 Joshua Parker (b. 17 Apr 1741 at Wallingford, d. 30 Oct 1765);
ii. Thankful, b. 13 May 1747, m. John Lewis 15 May 1766 at Wallingford;
iii. Rebecca, b. 18 Jan 1748/9;
iv. Hannah, b. 11 Oct 1750, d. 5 Nov 1752;
v. Oliver, b. 24 Feb 1755, d. 19 Mar 1838 at Truxtonh, NY, m. Mercy Parker;
vi. Sarah, b. 19 Mar 1757, m. Titus Bassett 21 Jun 1775 at Wallingford;
vii. Damaris, b. 6 Nov 1758, d. 28 Jul 1835 at Prospect, CT, m. Moses Tuttle 26 Nov 1777;
viii. Dinah, b. 23 Nov 1760;
ix. Justina, twin, b. 23 Nov 1760, d. 22 Apr 1777;
x. Daniel, b. ca. 1762, d. 2 Apr 1810, resided in Barkhamsted, CT, m. Chloras Mills ca 1785;
xi. Joash, b. 27 Jan 1765, d. 5 Aug 1829, resided in Hartland, CT, m. Mary Munson 22 Nov 1786; and
xii. Moses, b. 1 Jul 1770, d. 10 Jan 1771.55