1.  Marriage Record:

2.  1810

3.  1820

4.  1830

5.  1840

6.  1850 Census Every-Name-Index/Images (online at Ancestry.com, Image #30-31 of 102):  District No. 68, Pettis Co., MO, Roll M432_409, pp. 124B-125A, 219/219, enumerated 2 Sep 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):

David Thompson	74	M			15,000	Va
Betsey Thompson	68	F				Ky
Monroe Thompson	29	M		Farmer	3,000	Ky
Charlotte Thompson	24	F				Va
Melcina	1	F				Mo
Robt R Spedden	27	M		Physician	1,500	Md
Melcena Spedden	24	F				Ky
Eugene	6	M				Mo
Lizzy	4	F				Mo
Harry F	2	M				Mo
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Clifford	2/12	M				Mo

Listed between the households of Jackson QUISENBERRY and Morton THOMSON. 

2.  Biographical sketch of "Gen. David THOMPSON" from The Thompson Family Magazine, Beverly Stercula, ed., Vol. 13, p. 1 and cover (1974); boldface added:

GEN. DAVID THOMPSON GEN. DAVID THOMPSON (our cover), b. Aug 21, 1775, Louisa Co.,Va., son of William and Anne (Rhodes) Thompson.  He was reared in Louisa Co., Va., and at the age of three years taken to Scott Co., Ky. According to his diary he served as a volunteer under General Scott in the Indian campaigns in 1793.  In 1797, he made a trip to New Orleans with a cargo of freight shipped on flat boats.  After that he devoted his time to farming and in mill operation.  In 1805, he marketed a drove of 515 hogs in Richmond, Va., driving them over the mountains and later he took a drove of horses to Norfolk, Va.  Being the youngest son, David Thompson resided upon the Plantation of his mother, who passed away in 1802, the year after the marriage of David Thompson to Betsy Suggett.  She was born June 14, 1782, daughter of John & Mildred (Davis) Suggett.  In 1807, he purchased 160 ars. on North Elkhorn, in Scott Co., Ky., in partnership with his brother-in-law William Suggett.  The following summer they built a paper mill on the site and operated it for a few years.  In 1812, David Thompson bought 200 ars and began improvements of the place by planting an orchard of 500 trees.  In 1718 (sic), he removed to a tract of land on the North Elkhorn where he could run a paper mill and a merchant or grist mill.  In 1817,  he became associated in financing the Kentucky Insurance Company, one of the early day stock companies, which served the community much as banks do today. General Thompson was also prominent in military affairs of Kentucky.  He was elected captain March 1, 1800, of a militia company and on Feb 17, 1807, was commissioned major and later colonel of the 12th Regiment.  During the war of 1812 he was with the sharpshooters of the west, which was extended into Canada.  His diary briefly describes the battle of the Thames. On the 20th of May 1813, started on a compaign in a mounted regiment commanded by Richard M. Johnson and on the 5th of Oct we fought the British and Indians on the banks of the river Thames, where he commanded the 2nd battalion.  The engagement lasted one hour and forty minutes when the enemy, who were three to one in number, were completely routed and between five and six hundred of the British were taken prisoners with large quanity of stores. Major Thompson was the commanding officer who lead the charge against the Indians after Colonel Johnson had been wounded.  There was fierce hand to hand fighting in the swamps where the American troops were obliged to dismount.  Here Tecumseh was killed and the Indians routed.  Jan 21,1814, he recieved (sic) his command of the 6th Brigade of militia with the title of Brigadier General.  Jan 31st the same year he was made commander of 3rd Division of Kentucky militia.  He continiued in this command for six years, then resigned. From 1811-1820 he served as State Senator.  1824 he was sheriff of Scott county.  After this he interested himself in his personal business interests.  1825 he became a large investor in public land, buying 78 quarter sections at Vandelia, Illinois, with son Manlius.  He made his first visit to Missouri in 1825.  In 1831, he returned to Missouri with his son-in-law Lewis Redd Major, and each purchased 600 ars in Saline Co.  In the spring of 1833, he and many of his relatives removed to Pettis Co., Mo., arriving on Nov 13th.  In 1840, he built a handsome brick house for his family near Elm Springs, 3 and one half miles from Georgetown and planted orchards as he had owned in Kentucky.  He died in Oct. 1861.

Although Stercula spells the general's name, "Thompson," descendants working on their genealogy insist this family's surname is always spelled, "Thomson," never "Thompson" — just as they insist "Rhodes" is, for this family, always spelled "Rodes."

3.  Archives of the THOMPSON-L mailing list (online at RootsWeb.com).