Judith Blackstone letter at post office information [
United States Census, 1820
Name Mary Blackston Event Type Census Event Date1820 Event Place Pendleton, South Carolina, United States Page193
Citing this Record
"United States Census, 1820," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:XHG6-381 : accessed 21 February 2017), Mary Blackston, Pendleton, South Carolina, United States; citing p. 193, NARA microfilm publication M33, (Washington D.C.: National Archives and Records Administration, n.d.), roll 120; FHL microfilm 162,023.
This 1830 Census shows Judah Blackstone and John H Blackstone in Pickens District; 
United States Census, 1840
Name Judith Blackston Event Type Census Event Date1840 Event Place Pickens District, Pickens, South Carolina, United States Page392
Citing this Record
"United States Census, 1840," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:XHRY-NPH : 24 August 2015), Judith Blackston, Pickens District, Pickens, South Carolina, United States; citing p. 392, NARA microfilm publication M704, (Washington D.C.: National Archives and Records Administration, n.d.), roll 514; FHL microfilm 22,510
1820 Census for Pendleton District [] Pickens County was created from Pendleton District in 1825 this Mary and Judith maybe the same woman?
Note; for me to keep up with; As far as the Mary/Judith conundrum, I would guess they are the same people but it's only a guess. Dang nicknames always mess stuff up!! It would be great if we could find any other data on Judith but there doesn't seem to be any. Is there anyone in Charleston or thereabouts who can do an in person look up?
Note; Miller's Weekly Messenger Pendleton, South Carolina l.etters remaining at post office quarter ending June 30, 1819. Edward Adair, Th. W. Alexander, W. S. ,\dair 3, Robert Alexander, Maj. A. Butler, Thompson Brown, James Brown, Judith Blackstone, Kennon llraz.eal, Elijah Braziel, Richard Blackstock, they was more but I shorted it.
I don't know but interesting if she was in the Pendleton district;-->>https://www.ancestry.com/family-tree/person/tree/19599088/person/29565424702/facts >>https://www.wikitree.com/index.php?title=Blackstone-673&errcode=new_profile
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