Robert Munday was mentioned in the 5 September 1835 will of his father, Francis Munday, proved on 19 October 1835. [Essex County, Virginia, Will Book 23, page 415–417.]

On 19 October 1835, James Munday, Robert Rowzee, Larkin Noel, Lowry Elliott, and Robert Munday were bound in the penalty of $14,000 for James Munday’s execution of the will of Francis Munday, deceased. [Essex County, Virginia, Will Book 23, page 417.]

In 1839 (date and month blank), Robert Munday, Sally Munday, Elizabeth Stokes and James Burke were bound, that is the said Robert Munday and Sally Munday to the said Elizabeth Stokes and James Burke in the sum of five hundred Dollars, and the said Elizabeth Stokes and James Burke to the said Robert Munday and Sally Munday in the like sum of five hundred Dollars. The condition of this obligation is such that whereas William Younger in his last Will bearing date the first day of May 1837 and of Record in the County Court of Essex give to his daughter Sally Munday the Wife of the above bound Robert Munday one half of his Land, and to Elizabeth Stokes Wife of Benjamin Stokes in Trust with the above bound James Burke dureing her life the other half of his land, and the said Robert Munday, Sally Munday, Elizabeth Stokes and James Burke Trustee as aforesaid, in order to have an equal division thereof have mutually chosen Benjamin H Munday and Edward Powers to divide said land agreeable to quantity and quality and allot to each one their portion. If all parties stand to abide by the division, then this obligation to be void. Signed Robert Munday, Sarah her x mark Munday, Elizabeth her x mark Stokes, James Burke. Witnesses: Thomas Munday, James Powers, J. W. T. R. Walsh. Ordered recorded on 17 March 1840. [Essex County, Virginia, Will Book 24, page 451.]

The estate of William Younger, deceased, in account with James Burke, executor, from 1839 to 1840 was ordered recorded on 17 August 1840. Includes distributions to Susan, Waller, William, David and Mary Elliott; James Burke as trustee for Elizabeth Stokes; James Burke and Susan his wife who was Susan Younger; and Robert Munday and Sally his wife who was Sally Younger. [Essex County, Virginia, Will Book 24, pages 500–503.]

1850 U.S. Census, Essex County, Virginia
Page 68A, Dwelling 43, Family 43
Munday, Robert, 44, male, farmer, $2,000 real estate, born in Virginia
Munday, Sarah, 43, female, born in Virginia
Munday, Elizabeth, 13, female, born in Virginia, attended school
Munday, James, 11, male, born in Virginia, attended school
Munday, Leonard, 10 male, born in Virginia, attended school
Munday, Mary, 9, female, born in Virginia, attended school
Munday, Agness, 8, female, born in Virginia, attended school
Munday, Catharine, 7, female, born in Virginia, attended school
Munday, Sarah, 4, female, born in Virginia
Munday, John, 2, male, born in Virginia