— born in Florida Twp., Parke Co., IN:
6.  Amanda COBLE, b. 1850/1/2
7.  George COBLE, Jr., b. 1853
8.  Margaret COBLE, b. 1855/6

1.  Anon.  1966.  Marriage Index:  Ohio, 1789-1850.  Liahona Research, Orem, UT (Broderbund CD-400):

Cable, George

McKahan, Mary Anne

27 Apr 1837

Carroll Co.

2.  1840 Census Index/Images (online at Ancestry.com; Image #3 of 16 — indexed "Cable"; extracted by Diana Gale Matthiesen):

1840

OH

Carroll Co.

Harrison Twp.

p. 223

Ln. 19

George Coble

100 010 - 100 010

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	4 or under	1835-1840	= Samuel (b. 1837)
1 male	20-29	1810-1820	= George (b. 1812)
1 female	4 or under	1835-1840	= Susan (b. 1839/40)
1 female	20-29	1810-1820	= Mary (b. 1814)

Listed 22 lines from Mary's father, Samuel McKAHAN. 

3.  1850 Census Index/Images (online at Ancestry.com; Image #16 of 161):  District No. 85, Parke Co., IN, p. 268B, 97/97, enumerated 13 Aug 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):

George Cobble	34	M		Farmer		Pa
Mary      "	35	F				Pa
Samuel    "	12	M				Ohio
Susana    "	10	F				Ohio
Elizabeth "	8	F				Ohio
Mary      "	6	F				Ohio
Anjaline  "	3	F				Ohio
C Cotrell	25	M		Farmer		Tenn
Louisa Cotrell	20	F				Ohio
Weridfield? "	8/12	M				Ind

Also in District 85:  Mary's father, Samuel McKAHAN, and Mary's half-sister, Susanna (McKAHAN) GILKERSON. 

4.  1860 Census Images (online at Ancestry.com; Image #207 of 412):  Roseville P.O., Florida Twp., Parke Co., IN, p. 577, PN 205, 1409/1388, enumerated 28 Aug 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):

George Coble	44	M		Farmer	1000		Penn
Mary     "	46	F					Maryland
Mary     "	16	F					Ohio
Angeline "	14	F					Do
Amanda   "	10	F					Ind
George   "	7	M					Do
Margaret "	4	F					Do

Living two doors down from son, Samuel COBLE [æ 23, b. OH], a farm laborer living with the LEWIS family; and five doors down from daughter, Susan CABLE [æ 20, b. NY (sic)], living with the CHALLIS family.

5.  1870 Census Index/Images (online at Genealogy.com; Image #45 of 54):  Rosedale P.O., Florida Twp., Parke Co., IN, Roll 349 (Book 1), p. 65A, PN 45, 330/322, enumerated 17 Aug 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):

Coble George	56	M	W	Farmer	4000	1000	Pennsylvania
_____ Mary A	56	F	W	Keeping House			Maryland
_____ Amanda	18	F	W				Indiana
_____ George	16	M	W	Works on farm			Do
Boatman Margaret	5	F	W				Do
Coble Margaret	14	F	W				Do

6.  LDS.  Family Search: Census Records: 1880 United States (online at FamilySearch.org):  not found.

7.  Email from Ronald Cramer.

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