Event Place Chester, South Carolina, United States
The information from the census list a man 50 to 60 years, a man 80 to 90 years, a girl 15 to 20 years, a woman 20 to 30 years and a woman 60 to 70 years. He and his family are living next door to John Pardue
click for larger image.
Joseph married Nancy Key, 1788, Warren County, NC (also named Butte Co.).
He died 8 December 1846, Chester, SC.
M. Gaulden's father matches other Key family DNA testers and Bob and she match with a Pardue DNA tester.
↑ "United States Census, 1840," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHY1-FN2 : accessed 24 March 2016), Joseph Pardue, Chester, South Carolina, United States; citing p. 310, NARA microfilm publication M704, (Washington D.C.: National Archives and Records Administration, n.d.), roll 510; FHL microfilm 22,508.
Find A Grave Memorial# 79661028, Joseph Pardue, Old Bethany, Chester County, South Carolina, USA 
Perdue/Purdue/Pardue Family, Compiled by Maxie A. Perdue, 1999, Twigs of The Tree Pardo, Pardoe, Pardieu, Pardue, Perdue, Perdieu, Purdue.
Abstracts of Warren Co., N.C. Will Book 4, "an. Court 1784. Inv. Est. JOHN PARDUE, dec'd.; JOSEPH PARDUE. Adm"
Abstracts of Warren Co., N.C. Will Book 4, "April Ct.1784. Acct. Sale Est. JOHN PARDUE, dec'd., by THOMAS TURNER, Shf. Purchasers: JOSEPH PARDUE, WILLIAM BECKHAM & MAURICE PARDUE"
Prior to import, this record was last changed 16:04:47 16 Oct 2005. WikiTree profile Pardue-22 created through the import of 3214733.ged on Sep 17, 2011 by Kim Richey. See the Changes page for the details of edits by Kim and others. User ID: 34B848FC4DB0EA468ABCC3446395820B2F3E
It may be possible to confirm family relationships with Joseph by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Joseph:
I am Mary Jackson Pardue's  gg granddaughter. Per my grandmothers papers she is a daughter of Joseph Pardue and Nancy Key. What do you think? Mary's marriage to Daniel McElmoyle was 30 Sep 1856, according to York County, South Carolina Marriages, 1823-1865, "On the 30th ultimo, by A. S. Wallace, Esq., Mr. Daniel McElmoyle, and Miss Mary Pardue, all of this District." Marriage Notices from the Yorkville Miscellany Newspaper, York County, South Carolina. - Mags