1.  Jordan R. Dodd, ed.  1993.  Kentucky Marriages:  Early to 1850.  Liahona Research, Orem, UT (Broderbund CD-229):

Thompson, Hiram

Chappell, Ursula P.

20 Nov 1834

Christian Co.

2.  1840 Census Index/Images (online at Ancestry.com; Image #18-19 of 67; extracted by Diana Gale Matthiesen):

1840

KY

Trigg Co.

p. 285B-286A

Ln. 18

Hiram Thompson

200 001 - 000 010

010000-010000

0100000

These data indicate:ves

No. & Sex	Age Class	Therefore Born	Individuals Inferred
2 white males	4 or under	1835-1840	= Charles (b. 1837/8) = Alex (b. 1835/6)
1 white male	30-39	1800-1810	= Hiram (b. 1809)
1 white female	20-29	1810-1820	= Ursula (b. 1815/6)
1 male slave	10-23	1816-1830	= ?
1 female slave	10-23	1816-1830	= ?
1	persons employed in agriculture

3.  1850 Census Index/Microfilm (online at GenealogyLibrary.com):  Dist. 1, Trigg Co., KY, p. 290, 16/16, enumerated 2 Aug 1850 (extracted by Diana Gale Matthiesen):

Hiram Thompson	40	M	Farmer	2300	Ky
Ursula P. Thompson	34	F			Ky
Alex B. Thompson	14	M			Ky
Charles W. Thompson	12	M			Ky

4.  Barney Thompson. MS. The Thompson Family of Prince Edward County, Virginia, Butler and Trigg Counties, Kentucky, and the Florida Parishes of Louisiana:  the Descendants of Thomas Thompson, 1749-1810.  Copies at Western Kentucky University, the Filson Club Library, and the Indiana State Library, Indianapolis.  (Excerpts courtesy of the author.)