From old handwritten document provided by Robert Schutt, Sep 2003:
William Carnefix was born Oct 16th 1782. William & Nancy Carnefix were married May 6th 1809.

Birthdate variously listed as 1770 or 1782.

From http://awt.ancestry.com/cgi-bin/igm.cgi?op=GET&db=:339939&id=I3150:
William Cannifax, m: Nancy Holesapple.

From http://freepages.genealogy.rootsweb.com/~pam53/#CARNEFIX%20FAMILY%
20HOME%20PAGE (Carnefix Family Home Page):
CARNEFIX, WILLIAM, b. 1770 , d. Oct 1856 in Campbell Co. Virginia, Father: John Carnefix II, Mother: Nancy Ann Radford, Married: Nancy Holesapple, Children: 1) Benjamin Franklin, 2) Edward, 3) George, 4) Elizabeth, 5) Mary, 6) Lucy, 7) Rhoda, 8) Martha Jane, 9) David Simpson, 10) John D, 11) William.

1810 US census household Kentucky, Rockcastle Co. (ancestry.com, image 3/8):
William Cannefax (as spelled). Members of household(4) were identified by age, but the criteria are unsure because there were no descriptors. Column entries were as follows:
-|-|-|1|1|| -|-|-|1|-|-|1|
which I interpret to mean 1 male 15-20, 1 male 20-30, 1 female 15/20, 1 female 40-50. Presumably William Cannefax is the male 20-30 and Nancy Holsapple is the female 15-20 (consistent with their birthdates). The male 15-20 is unknown and the female 40-50 is unknown.

Possible entry in 1820 US Census
ftp://ftp.rootsweb.com/pub/usgenweb/wv/nicholas/census/1820.txt
Census Year: 1820 State: Virginia County: Nicholas Page No: 206B

1830 US Census, Virginia, Nicholas Co., Westin? District, page 174 (images 5&6 of 42, ancestry.com):
William Carnefix (spelled that way) household, with
males: 2 <5, 2 5-10, 1 15-20, 1 30-40, 1 40-50 (William Carnefix if born after 1780)
females: 1 <5, 1 5-10, 1 10-15, 2 15-20, 1 30-40 (Nancy Holsapple)
no slaves.

1850 US census, Virginia, Fayette Co., District 14
W. Carnefix, 66, farmer, $4000
Nancy Carnefix, 57
Rhoda Carnefix, 29
George W. Carnefix, 18
James W. Carnefix, 4
---------- next-door-----
Ben. F. Carnefix, 25, farmer
Elizabeth Farmer, 24
Wm. A. Carnefix, 3
Rhoda J. Carnefix, 3/10
------------nest-dooor-----
Wm. L. McVay, 48, Mill Wright
Elizabeth McVay, 39
May A. McVay, 13
nancy J. McVay, 11
Wm. C. McVay, 7
Martha N. McVay, 2
John Carnefix, 73, carpenter
Esther Parton, 89

see also ftp://ftp.rootsweb.com/pub/usgenweb/wv/nicholas/census/1830a.txt

http://awt.ancestry.com/cgi-bin/igm.cgi?op=GET&db=:2009644&id=I1
Pamela Thomas, pamt248.at.cs.com, updated 3 Apr 2002:
Name: William CARNEFIX
Death: 9 Sep 1856 in Fayette Co., W Va
Burial: McVey Cemetery Fayette Co., W Va
Notes:
1) In most documents you find Williams birth as 1770, however on his tombstone it states he died at the age of 73 yrs. 10 mons. 24 days on the 9th Sept 1856. This would make his birthday in Oct 1782.
2) William was the second sheriff of Fayette Co., Virginia. He served from 1834 to 1836. He was commissioned on the 29th of April 1831 and qualified to become sheriff on 15 May 1831.
3) William Carnefix, sheriff, appointed William C. Woodson as his deputy during his pleasure.
4) Jan term 1836--Isaac Bare of this county having died intestate more than three months ago and no person having applied for administration of his goods and chattels, it is ordered that William Carnefix, Sheriff of this county, take the estate of said deceased into his possession and administer the same according to law. ( Fayette Co., WV.)
5) Feb term 1837--commissioner were appointed to superintend the election as follows: To be held at George Andersons, Jacob Kesler, William Carnefix, Jesse Miller and Baily Wood.
6) October term of 1845--William was appointed to the school commission for a period on one year.
7) April term 1849--William was appointed a commissioner of New Haven.
8) May term 1853--Licence to keep house of private entertainment granted to William Carnefix.
9) Oct term 1856--Last will and testament of William Carnefix was recorded.
10) In John Jr.'s will he states of his son William--"I give my son William Carnefix ninety seven acres of land which my said son sold to George Cox and for which I am bound to make a right in full of all his portion of my estate."
11) Had a ferry business in Fayette/Nicholas Co., WV called the Carnefix Ferry.

From Will of William Carnefix (images provided by Robert Schutt, Sep 2003):
William had a ferry business with son-in-law William S. McVey, as well as a plantation and mill.

From Rep Glen Maxey's file , Feb 2005:
http://awt.ancestry.com/cgi-bin/igm.cgi?op=GET&db=maxey&id=I009379
[Br�derbund WFT Vol. 9, Ed. 1, Tree #2839, Date of Import: May 20, 1998]
William was exec of James Doss's will July 18, 1796, in Pittsylvania Co., VA.

Copied from Bible of Henry Patteson (b 1818) and then recopied by Lena May Patteson in letter to Margaret Smithson, January 1945: married 6 May 1809.

• Married: 3 or 6 or 8 May 1809 in Campbell Co., VA

1. George W. CARNEFIX b: 26 Nov 1832
2. 11 children CARNEFIX
3. Benjamin Franklin CARNEFIX b: 11 Mar 1825 in Virginia
4. John David CARNEFIX b: 5 Sep 1812
5. Edward M. CARNEFIX b: 1 Aug 1829 in West Virginia
6. William A. CARNEFIX b: 25 Sep 1818
7. Elizabeth M. CARNEFIX b: 21 Feb 1811 in Campbell Co., VA
8. Mary A. CARNEFIX b: 7 May 1814
9. Lucy CARNEFIX b: 1 Apr 1816
10. Rhoda CARNEFIX b: 2 Nov 1820 in Viginia
11. Martha Jane CARNEFIX b: 20 Jun 1827
12. David Simpson CARNEFIX b: 14 Mar 1823