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

Corbin, John

Brown, Elizabeth J.

7 Jun 1829

Clermont Co.

2.  1830 Census Index and Digital Images (online at Ancestry.com; Image #11 of 20; extracted by Diana Gale Matthiesen):

1830

OH

Clermont Co.

Monroe Twp.

p. 233

Ln. 17

John Corbin

000 010 - 100 010

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	20-29	1800-1810	= John (b. 1806/7)
1 female	4 or under	1825-1830	= Elizabeth (b. 1830)
1 female	20-29	1800-1810	= Elizabeth (b. 1808/9)

Listed next to John's father, Nathan CORBIN, Jr.

3.  1840 Census Index and Digital Images (online at Ancestry.com; Image #9-10 of 20 — overlooked in index; extracted by Diana Gale Matthiesen):

1840

OH

Clermont Co.

Monroe Twp.

pp. 203B-204A

John Corbin

200 001 - 011 011

0100000

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
2 males	4 or under	1835-1840	= David (b. 1839/40) = James (b. 1835/6)
1 male	30-39	1800-1810	= John (b. 1804-10)
1 female	5-9	1830-1835	= Sophia (b. 1832/3)
1 female	10-14	1825-1830	= Elizabeth (b. 1830)
1 female	20-29	1810-1820	= ?
1 female	30-39	1800-1810	= Elizabeth (b. 1808/9)
1	person engaged in agriculture

The woman in her 20's is too old to be their daughter.

4.  1850 Census Index/Images (online at Ancestry.com; Image #16 of 46):  Monroe Twp., Clermont Co., OH, p. 8B, 111/111, enumerated 10 Oct 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):

John Corbin	43	M		Farmer	4800	Ohio
Elizabeth "	40	F				"
Sophia R  "	17	F				"
James H   "	14	M				"
David D   "	10	M				"
John N    "	4	M				"
James Richison	40	M		Trader		Scotland

5.  1860 Census Images (online at Ancestry.com; Image #22 of 50):  New Richmond P.O., Monroe Twp., Clermont Co., OH, p. 432A/862, PN 22, 166/161, enumerated 11 Jun 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):

John Corbin	52	M		Farmer	9560	1134	Ohio
Eliz. J. "	50	F		Domestic duties			"
D. B.    "	20	M		Farm Laborer			"
N. J.    "	15	M		Farm Laborer			"
Anne E Fisher	18	F		Domestic duties			"
Sarah Enlow	69	F		Living on her Means			Maryland

6.  1870 Census Images (online at Ancestry.com; Image #44 of 54):  Batavia P.O., Monroe Twp., Clermont Co., OH, Roll 1181, Book 1, p. 197B, 339/328, enumerated 2 Aug 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):

Corben John	62	M	W	Farmer	12150	929	Ohio
______ Elizabeth J	59	F	W	Keeping House			"
Peppers Adaline	18	F	W	Domestic Servant			"
_______ Eliza J	16	F	W	attending School			"
_______ Maria S	11	F	W	attending School			"

7.  LDS.  Family Search: Census Records: 1880 United States (online at FamilySearch.org):

Census Place: Monroe, Clermont, Ohio
Source: FHL Film #1255000; NARA Film #T9-1000; Pg 175D
	Relation	Sex	Marr	Race	Age	Birthplace	Occupation	Fa	Mo
John CORBIN	Self	M	M	W	72	OH	Farmer	MD	MD
Adeline W. PEPPERS	Niece	F	S	W	28	OH	Keeping House	MD	OH
Maria M. PEPPERS	Niece	F	S	W	21	OH	Keeping House	MD	OH

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