20 Mar 1748/9 Jonathan first married Sarah Lewis. Born 5 Jan 1717/8. Sarah died on 30 Jun 1751.

Sarah, daughter of John and Mary (Burrill) Lewis.

On 15 Apr 1755 when Jonathan was 41, he second married Mary Wyman in Lynn, MA.228 Mary died in Lynn, MA on 2 Nov 1812.

Mary, widow of Dr. Jonathan Fuller. Mary and Jonathan had no children.227

Children of Isaiah and Mary (Wyman) (Fuller) Newhall:
    i. Mary, b. 27 Jan 1760, d. 28 Jan 1805;
    ii. Benjamin, b. 20 Mar 1762, d. 1803 of consumpton, m. 1st 29 Oct 1783 Hepzibeth Hallowell, m. 2nd 12 July 1787 Hipzebeth Hudson (bp. 10 Apr 1768, d. 28 Aug 1811 æ. 44 ‘a widow,’ daughter of Benjamin & Ann (Sweet) Hudson);
    iii. Elizabeth, b. 4 May 1764, d. 18 Oct 1839, m. 9 June 1790 Enoch Johnson (b. 16 Jan 1761, d. 17 Mar 1815, son of Richard & Lydia (Bacheiler) Johnson);
    iv. Isaiah, b. 1 May 1767, m. 1st 18 Nov 1792 Mary Newhall (d. as w. 24 Sept 1795 æ. 25), m. 2nd 24 June 1801 Hannah Flint (d. 1806), m. 3rd 16 Dec 1808 Selina Bailey;
    v. Alice, bp. 14 Jul 1771, m. 21 Jun 1787 John Downing; and
    vi. Susanna, b. 23 Jul 1774, d. 19 Jan 1836, m. 24 Feb 1795 Samuel Graves (b. 30 Aug 1774 or 8 Aug 1772, d. 13 Sept 1817 æ. 45, son of Rand & Susanna (Johnson) Graves).227