Census matchup & Obit are assumptions.
#1 Wife & 2 children came from Ire. & died of Smallpox.
******
Letter says: "served through the War of Independence....was wounded near Musgrove Mill in what was then known as seige of 96. (?) He carried the ball with him through his long life.....born 14th day of Sept. 1716 and died 26th day of Dec. 1829, aged 113 y., 3 mo., 12 da. He brought his young wife and two children with him, also a little Irish lassie. During a scourge of smallpox his wife and both children died and himself severely marked. After a widowhood of some years and at the age of 58 he led this Irish lassie (Jennet McNeere) at the age of 13 to Hymen's Altar. This proved to be a happy and fruitful marriage. They raised and educated 11 children, 6 boys and 5 girls: viz. Bettie, John, Robert, Mary, David, Mattie, Arch, Rosa, Jennie, Thomas, and William....... a native of Ireland, a soldier of 1776, and a sincere believer in Jesus Christ."

Sources:
1. Census 1800: Laurens Co. SC. pg17 [John 22001 22010]
2. Census 1820: Laurens Co. SC. pg17 [John 011201 01301]
3. Census 1830: Laurens Co. SC. pg277 [Jane 000020000 0000310020]
4. "Marriages & Death notices from Charleston Observer" by Holcomb. [dpod]
5. DAR #619422 & narrative of Ellen L.C. Logsdon

• Married: ABT 1774 in LAURENS Co. ? SC.

1. Mary Sloan b: BET 1780 AND 1790 in NEWBERRY Co. SC. ?
2. Robert Sloan b: 8 APR 1787 in NEWBERRY Co. SC. ?
3. David Sloan b: 17 JUN 1789 in LAURENS Co. SC.
4. Elizabeth "Betty" Sloan b: ABT 1790 in LAURENS Co. ? SC.
5. John Sloan b: ABT 1794 in LAURENS Co. SC. ?
6. Archibald Sloan b: BET 1795 AND 1801 in NEWBERRY Co. ? SC.
7. JAMES J. SLOAN b: ABT 1798 in FAIRFIELD Co. SC. ?
8. Martha "Mattie" Sloan b: ABT 1798 in NEWBERRY Co. SC. ?
9. Rosanna "Rosa" Sloan b: ABT 1800 in LAURENS Co. SC. ?
10. Jane "Jennie" Sloan b: ABT 1804 in LAURENS Co. SC.
11. Thomas M. Sloan b: ABT 1807 in LAURENS Co. SC. ?
12. William M. Sloan b: 20 AUG 1808 in LAURENS Co. SC. ?

1. Title: "Some Recollections and Sketches of the Ancestors of J. P. Sloan & M. L. Sloan"
   Author: James Park Sloan
   Publication: 1906, pub. in "Old Southern Bibles" 1974 pg. 284-287
   Note: AKA "The Four Stalward Sons of Erin" a scrapbook compiled by Confederate Capt. James P. Sloan and his wife. Written by J. P. Sloan and given to his son Willie Sloan and wife. In 1953 this book was the property of his grandson James Sloan of Clinton SC.
   Repository:
   Note: See FBR0007a.jpg - FBR007g.jpg {From S. Shiver}
   Media: Book
   Text: [John Sloan, dpob, dod, age/113y/3m/12d, 2nd spouse, children, military]
2. Title: "The Four Stalwart Sons" Letter
   Author: James Park Sloan
   Publication: 1906
   Note: Published in "Old Southern Bible Records" by Lester, pp. 284-287.
   Repository:
   Media: Book
   Text: [dpob, d. age 113, 3 mo. 12 days, 2nd spouse, children, military, dod]
3. Title: "Marriages & Death notices from Charleston Observer"
   Author: Holcomb
   Repository:
   Media: Book
   Text: [dpod]
4. Title: Shoemaker, Thomas
   Publication: Email Correspondance - 17 Dec 2006 - 6 Mar 2008
   Repository:
   Note: Shoemake.doc: X Line
   Media: Letter
   Page: Tombstone photo: ts000391.jpg
   Text: [Sacred to the memory of John Sloan who depart life age 113 years 3 months 12 days. He was a native of Ireland and a soldier of 76. He was a sincear beleiver in Jesus Christ, burial]