— born in MO, probably in Monroe Co., MO:
3.  Mary CAPP, b. 1 Aug 1838; d. 2 Sep 1920, Boone Co., MO; m. 25 Jan 1893, Randolph Co., MO, William T. DUNN (1834-1912)

— born in MO, presumably in either Monroe Co., MO, or Salt River Twp., Randolph Co., MO:
4.  Margaret CAPP, b. 1842; d. 1867, MO
5.  Mitchel / Michael CAPP, b. 13 Aug 1844; d. 10 Apr 1909
6.  Lucinda CAPP, b. 14 Apr 1847

1.  Marriage Record:

2.  1840 Census Index and Digital Images (online at Ancestry.com; Image #11-12 of 16; extracted by Diana Gale Matthiesen):

1840

MO

Monroe Co.

pp. 124B-125A

John Capp

100 040 010 - 200 120 010

0400000

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	4 or under	1835-1840	= Shadrach (b. 1836)
4 males	20-29	1810-1820	= William (b. 1816) = Andrew (b. 1812) = David (b. 1810) = John (b. 1807)
1 male	50-59	1780-1790	= John (b. 1781)
2 females	4 or under	1835-1840	= Mary (b. 1838) = Elizabeth (b. 1834)
1 female	15-19	1820-1825	= Nancy (b. 1822)
2 females	20-29	1810-1820	= Mariah (b. 1814) = ?
1 female	50-59	1780-1790	= Chiesels (b. 1783)
4	persons engaged in agriculture

It appears our subject is living with his parents.

3.  1850 Census Every-Name-Index/Images (online at Ancestry.com, Image #2 of 17):  Salt River Twp., Randolph Co., MO, Roll M432_411, p. 275A, 1057/1057, enumerated 21 Nov 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):

John Capps	43	M		Farmer		Pa
Mariah   "	36	F				Va
Elizabeth "	15	F				Pa
Shedrick  "	13	M				"
Mary      "	11	F				"
Margaret  "	8	F				Mo
Mitchel   "	6	M				"
Lucinda   "	3	F				"

4.  1860 Census Every-Name-Index/Images (online at Ancestry.com, Image #40 of 57 — indexed "Copp"):  Renick P.O., Prairie Twp., Randolph Co., MO, Roll M653_643, p. 844, PN 40, 256/256, enumerated 20 Jun 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):

John Capp/Copp	53	M		Farmer	?200	920	Penna
Mariah Capp	46	F					do
Shadrick	23	M		do			do
Mary	20	F					do
Margaret	17	F					Mo
Michael	15	M					do
Lucinda	3	F					do

5.  1870 Census Every-Name-Index/Images (online at Ancestry.com, Image #14 of 72):  Moberly P.O., Prairie Twp., Randolph Co., MO, Roll M593_802, p. 184B, PN 14, 84/85, enumerated 13 Aug 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):

Capp Maria	55	F	W	Keeping house	600	250	Penn
____ Mary	31	F	W	At home			Penn
____ Lucinda	22	F	W	At home			Mo
____ Michael	24	M	W	Teaming			Mo

6.  WorldConnect / Ancestry World Trees (online at RootsWeb.com/Ancestry.com).