She was living with her widowed father and siblings in Washington, Virginia in 1850.
She married Leonidas Webb. They had children.
They were in Western District, Washington, Virginia in 1860.
They were in Saltville, Washington, Virginia in 1880.
She passed away in 1888. She was buried in Thompson cemetery in Washington county, Virginia.
↑ "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8DY-6S6 : 12 April 2016), Margaret Crawford in household of Orr Crowford, Washington county, part of, Washington, Virginia, United States; citing family 677, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCR8-JGN : 15 July 2017), Margaret Webb in entry for Leonidas A Webb, 1880; citing enumeration district ED 99, sheet 215B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 1394; FHL microfilm 1,255,394.
↑ "Virginia Deaths and Burials, 1853-1912," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XR3T-M28 : 10 March 2018), Margaret G. Webb, 04 Jun 1888; citing Hayters Gap, Washington, Virginia, reference Item 130; FHL microfilm 2,048,587.
It may be possible to confirm family relationships with Margaret by comparing test results with other carriers of her ancestors' mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Margaret:
John Orr :
AncestryDNA, GEDmatch A697982 [compare], Ancestry member Orr144, FTDNA kit #96230 +
Family Tree DNA Family Finder, GEDmatch T034718 [compare], FTDNA kit #96230