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

Washington CORBIN Spouse: Charlotte FERGUSON Marriage: 18 Dec 1853, , Clermont, Ohio Source: Marriage Records, 1801-1910. Ohio. Probate Court (Clermont County)

2.  1860 Census Images (online at Ancestry.com; Image #18 of 72 — mis-indexed "Brashington Corbin" [indexed correctly at Genealogy.com]):  Pt. Isabell P.O., Washington Twp., Clermont Co., OH, Roll M653_945 (Part 1), p. 456A/909, PN 69, 493/474, enumerated 29 Jun 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

Washington Corbin	28	M		Farm hand		100	Ohio
Charlotte    "	23	F		Domestic			Kentucky
Franklin     "	5	M					Ohio
Leander      "	4	M					do
James        "	1	M					do

Living next door to Washington's brother, Nathan CORBIN, who is living next door to their parents, Abraham & Desiah (FANCHER) CORBIN. 

3.  1870 Census Index/Images (online at Genealogy.com; Image #4 of 72):  Point Isabel P.O., Washington Twp., Clermont Co., OH, Roll 1181, p. 354B, PN 4, 28/30, enumerated 8 Jun 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

Corbin Washington	43	M	W	Farmer		100	Ohio
______ Charlotte	34	F	W	Keeping House			Ohio
______ Wm F	14	M	W	Works on Farm			Ohio
______ Nathan L	12	M	W	Works on Farm			Ohio
______ James A	10	M	W	Works on Farm			Ohio
______ Laura B	7	F	W				Ohio
______ John	5	M	W				Ohio

4a.  LDS.  Family Search: Census Records: 1880 United States (online at FamilySearch.org):

Census Place: Washington, Clermont, Ohio
Source: FHL Film #1255000; NARA Film #T9-1000; Pg 316B
	Relation	Sex	Marr	Race	Age	Birthplace	Occupation	Fa	Mo
George W. CORBIN	Self	M	M	W	49	OH	Farmer	MD	OH
Charlotte CORBIN	Wife	F	M	W	45	OH	Keeping House	PA	OH

Yes, the extraction there contains only George and Charlotte.

4b.  1880 Census Every-Name-Index/Images (online at Ancestry.com, Image #10 of 36):  Washington Twp., Clermont Co., OH, Roll T9_1000 (Book 1), p. 316B, PN 10, SD 3, ED 51, enumerated 1 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

22

23

24

25

26

101

101

Corbin George W

W

M

49

/

Farmer

OH

MD

OH

______ Charlottee

W

F

45

Wife

/

Keeping House

/

/

OH

TN

OH

______ Nathan L

W

M

24

Son

/

Farmer

OH

OH

OH

______ James A

W

M

21

Son

/

Farmer

OH

OH

OH

______ Laura B

W

F

18

Dau

/

At Home

OH

OH

OH

______ John W

W

M

15

Son

/

Farm Laborer

OH

OH

OH

______ Eduard S

W

M

8

Son

/

OH

OH

OH

______ Charles F

W

M

7

Son

/

OH

OH

OH

5.  1890 Census:  the 1890 census population schedules were destroyed.