Margaret was born around 1785.
This FamilySearch.org profile has her married to William Crawford b. 1789 in Virginia:  Fetterly-28 03:36, 13 May 2021 (UTC)
The only marriage record for a couple with similar names that I could find:
Fetterly-28 04:17, 13 May 2021 (UTC)
Another possible couple: Found via Geneanet, accessed 5/13/2021.  Fetterly-28 04:02, 28 May 2021 (UTC)
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Margaret is 16 degrees from Robert Beheathland, 17 degrees from Bartholomew Gosnold, 13 degrees from Thomas Graves, 14 degrees from Anne Laydon, 19 degrees from Alice Longe, 15 degrees from Samuel Mathews, 18 degrees from Christopher Newport, 15 degrees from John Smith, 13 degrees from Nathaniel Tatum, 14 degrees from Temperance West, 15 degrees from Francis Wyatt and 20 degrees from Valerie Penner on our single family tree. Login to find your connection.