found: NUCMC data from Library of Congress, Manuscript Div. for Armes, E. Ethel Armes collection of Lee family papers, 1671-1936(Lee, Mary Randolph Custis, 1806-1873; Mary Custis Lee)
found: LC man. auth. cd.(Hdg.: Lee, Mary Randolph Custis, 1806-1873; full name Mary Anna Randolph Custis Lee; b. Oct. 1, 1808, full name Mary Anna Randolph Custis; Mrs. Robert E. Lee)
found: Lee, E.J. Lee of Virginia, c1983(General Lee married Mary Anne Randolph Custis, the only daughter of George Washington Parke Custis and Mary Lee Fitzhugh; Mary Custis was born at Arlington the 1st of Oct, 1808, and died at her home in Lexington the 5th of November, 1873)
found: Freeman, D.S. R.E. Lee, c1961(Mary Custis; Mary Anne Randolph Custis; Mary Randolph Custis Lee; b. Oct. 1, 1808)
found: Sanborn, M. Robert E. Lee, c1966(Mary Anne Randolph Custis Lee; b. Oct. 1, 1808; known as Molly Custis by family, and later as Molly by her husband)
found: MacDonald, R.M.E. Mrs. Robert E. Lee, c1939(3rd child, Mary Anna Randolph Custis was born at Annefield, Clark Co., Va., on Oct. 1, 1808; sister Martha Elizabeth Ann Custis was b. May 15, 1806, and lived not quite a year)
found: Email from ViHi, Jan. 9, 2008(Virginia magazine of history and biography, v. 115, no. 4: DeButts, Robert E.L. Lee in love: p. 551, footnote 1: b. Oct. 1, 1807)
found: Wikipedia, Jan. 10, 2008(Mary Anna Custis Lee; Mary Anna Randolph Custis Lee; b. Oct. 1, 1807; d. Nov. 5, 1873; Mary's birth year is usually given as 1808, but it appears in the Custis family Bible and in records kept by her mother as 1807)
found: Finding aid for Lee and Marshall family letters, via UNC University Libraries WWW site, June 16, 2020(Miscellaneous letters of the Lee and Marshall families, including letters, 1818-1819, from Charles Carter Lee (1798-1871) at Harvard; letters to and from William L. Marshall of Baltimore, Md., about family and social matters; and letters, 1867-1870, from Mary Custis (Mrs. R. E.) Lee to her niece, Florence Burke, about family matters and the plunder of Arlington during the Civil War) - https://finding-aids.lib.unc.edu/02477/
