Nathaniel Crow married Mary M. Crow on 20 December 1819 in Essex County, Virginia. The bondsmen were Nathaniel Crow and Moses Crow. The clerk was James R. Micou. Source: Book 1, page 235, line 10.

On 15 February 1836, Mary M. Crow, Washington H. Purkins and Henry H. Boughan were bound in the penalty of $7,000 for Mary M. Crow’s administration of the estate of Moses Crow. [Essex County, Virginia, Will Book 23, pages 460–461.]

On 30 October 1839, Mary M. Crow complained that on Saturday last the 26th inst she ascertained that the testimoney of Vincent Coleman is material in the case. He lives somewhere in King and Queen County. That George Saunders, one of the plaintiffs, resides in Middlesex County. Filed on 31 October 1839 in the case of Saunders vs. Crow. [Essex County, Virginia, Box Chancery No. 49, item 49-D-4.]

In 1843, oratrix Mary M. Crow complained to the Chancery Court. That her late husband was Nathaniel Crow who died with land that in part descended from his father Thomas Crow. Nathaniel left children Lucinda Catharine, John Nathaniel, Mary Elizabeth, Moses Thomas and Nathaniel. All are under age. From 1843. [Essex County, Virginia, Box Chancery No. 40, item 40-E-6.]

A land transaction on 19 July 1843 mentions Mary M. Crow. [Essex County, Virginia, Deed Book 48, page 85.]

1850 U.S. Census, Essex County, Virginia:
Dwelling 458, Family 458
Crow, Mary, 40, $32000
Crow, John, 25, manager
Crow, Nathaniel, 20, no occupation
Johnson, Charles, 25, merchant

On 10 January 1851, Mary M. Crow was mentioned as a bordering landowner in a deed from Elizabeth Beazley and John R. Beazley to Leonard Henley. [Essex County, Virginia, Deed Book 50, pages 101–102.]