— born in Sugar Creek Twp., Cass Co., MO:
  5.  Sarah CHILCOTE, b. 1860
  6.  Milly CHILCOTE, b. 1862/3
  7.  George CHILCOTE, b. 1866/7
  8.  Jacob CHILCOTE, b. 1867/8
  9.  David CHILCOTE [twin], b. 1871/2
10.  Abigail CHILCOTE [twin], b. 1871/2
11.  Joshua CHILCOTE, b. 1872/3

1.  LDS.  Family Search: Internet Genealogy Service:  IGI - International Genealogical Index (online at FamilySearch.org).

David CHILCOAT Spouse: Abigail CRAIG Marriage: 10 Oct 1850, Vinton, Ohio Source: Marriage Records, 1850-1951. Ohio. Probate Court (Vinton County)

2.  1860 Census Index/Images (online at Genealogy.com, Image #41 of 53):  Wadesburg P.O., Sugar Creek Twp., Cass Co., MO, Roll 612 (Book 1), p. 767, PN 62, 334/334, enumerated 4 Jul 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):

David Chicoat	30	M		Farmer	1200	300	O
Abigail	29	F					"
John	9	M					"
Nancy	7	F					"
Sindarilla	5	F					Mo
Mary C	1	F					"

Listed next to David's brother, John CHILCOAT, and, in the other direction, listed next to Abigail's parents, Jacob & Abigail GREGG, who are listed two households from Abigail's brother, James GREGG.

3.  1870 Census Index/Images (online at Ancestry.com, Image #21 of 40):  Dayton P.O., Sugar Creek Twp., Cass Co., MO, p. 706A, PN 21, 148/151, enumerated 12 Aug 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):

Chilcote David	41	M	W	Farmer	5000	1790	Ohio
________ Abagail	39	F	W	Keeping house			Ohio
________ John	18	M	W	At Home			Ohio
________ Nancy	16	F	W	At Home			Ohio
________ Cinderlla	14	F	W	At Home			Missouri
________ Mary	12	F	W	At Home			Missouri
________ Sarah	10	F	W	At Home			Missouri
________ Milly	7	F	W	At Home			Kansas
________ George	3	M	W	At Home			Missouri
________ Jacob	2	M	W	Child			Missouri

Listed next to David's widowed mother, Nancy CHILCOTE, who is listed next to Abigail's brother, James GREGG.

4.  1880 Census (indexed at FamilySearch.org; page image online at Ancestry.com, Image #14 of 42):  Sherman Twp., Cass Co., MO, Roll T9-0680, p. 204B, PN 14, SD 6, ED 91, enumeration date 7 Jun 1880, official enumeration date 1 Jun 1880 (extracted by Diana Gale Matthiesen):

1880:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).

1

2

3

4

5

6

8

9

10

13

21

24

25

26

127

171

Chilcoat David

W

M

51

/

Farming

OH

VA

VA

________ Abigail

W

F

45

Wife

/

Keeping house

OH

OH

OH

________ George

W

M

14

Son

/

works on farm

/

OH

OH

OH

________ Jacob

W

M

11

Son

/

works on farm

/

OH

OH

OH

twins

________ David

W

M

8

Son

/

OH

OH

OH

________ Abigail

W

F

8

Dau

/

OH

OH

OH

________ Joshua

W

M

7

Son

/

OH

OH

OH

172

Chilcoat Nancy

W

F

67

Mother in law

Keeping house

PA

MD

MD

Abigail has shaved a few years off her age.  Nancy his Mother-in-law?  She's his mother.

5.  1890 Census:  the 1890 Census Population Schedules were destroyed.

6.  Anon.  1999.  Compiled Civil War Military Service Records from the United States National Archives.  Ancestry, Inc., Provo, UT (online at Ancestry.com):

Surname	Given Name	Company	Unit	Rank - Induction	Rank - Discharge	Allegiance
Chilcote	David	D	Cass Co. Home Guard, Mo. Cav.	Sergeant	Sergeant	Union

7.  Civil War Pension Index (index and images online at Ancestry.com):

Name of Soldier	Chilcote, David
Name of Dependent	Widow	Chilcote, Abigail
	Minor
Service	D ? Cass Co Mo H Lite? Cav.
Date of Filing	Claim	Application No.	Certificate No.	State from which Filed
	Invalid
1890 Dec 26	Widow	488591		Kansas
	Minor

The digital image was very blurry and difficult to read; I may not have transcribed the card accurately.

8.  LDS.  Family Search: Internet Genealogy Service:  AF - Ancestral File (online at FamilySearch.org).