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

Corbin, James

Barkley, Rebecca E.

1 Jan 1846

Clermont Co.

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

James CORBIN Spouse: Rebecca E. BARKLEY Marriage: 1 Jan 1845, Clermont, Ohio Source: Marriage Records, 1801-1910. Ohio. Probate Court (Clermont County)

2.  1850 Census Index/Images (online at Ancestry.com; Image #43 of 46):  Monroe Twp., Clermont Co., OH, p. 22A, 324/324, enumerated 23 Oct 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):

James Corbin	32	M		Farmer	1000	Ohio
Rebecca E "	24	F				"
George L  "	3	M				"
???? Jane "	1	F				"

Listed next to James's parents, Nathan & Sophia (ENLOWS) CORBIN. 

3.  1860 Census Images (online at Ancestry.com; Image #21 of 50 — mis-indexed "James BARBIN"):  New Richmond P.O., Monroe Twp., Clermont Co., OH, p. 432A/861, PN 21, 160/155, enumerated 11 Jun 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):

James Corbin	40	M		Farmer	4500	650	Ohio
Rebecca    "	34	F		Domestic duties			do
George L   "	13	M					do
Electra J  "	11	F					do
Elizabeth E "	9	F					do
Wm P        "	2	M					do

4.  1870 Census Index/Images (online at Genealogy.com; Image #11 of 54):  Batavia P.O., Monroe Twp., Clermont Co., OH, p. 181A, PN 11, 89/88, enumerated 15 Jul 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):

Corben James	54	M	W	Farmer	8200	778	Ohio
______ Rebecca E	44	F	W	Keeping House			Ohio
______ George L	22	M	W	Works on Farm			Ohio
______ Electra J	21	F	W	Helps Mother			Ohio
______ William P	12	M	W	attending School			Ohio
______ Charles H	10	M	W	attending School			Ohio
______ Anna B	7	F	W	attending School			Ohio
______ John	4	M	W				Ohio
______ Harry A	1	M	W				Ohio

5.  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 181C
	Relation	Sex	Marr	Race	Age	Birthplace	Occupation	Fa	Mo
James CORBIN	Self	M	M	W	63	OH	Farmer	MD	MD
Rebecca CORBIN	Wife	F	M	W	53	OH	Keeping House	OH	OH
William P. CORBIN	Son	M	S	W	22	OH		OH	OH
Charles H. CORBIN	Son	M	S	W	19	OH		OH	OH
Annie B. CORBIN	Dau	F	S	W	17	OH		OH	OH
John W. CORBIN	Son	M	S	W	14	OH		OH	OH
Harry A. CORBIN	Son	M	S	W	11	OH		OH	OH
Dora TATMAN	Other	F	S	W	17	OH	Servant	OH	OH

6.  WorldConnect / Ancestry World Trees (online at RootsWeb.com/Ancestry.com).  A file submitted by Michael Morris Marks included the tombstone readings for the two deceased children.