Some secondary sources call him "Thurman," but I have found no primary source using that name.

1.  Jordan R. Dodd, ed.  1998.  Marriage Index: Ohio, 1851-1900.  Liahona Research, Orem, UT (Broderbund CD-236):  not found.

2.  1880 Census Images (online at Ancestry.com; Image #11 of 81):  Franklin Twp., Franklin Co., OH, p. 129A, PN 11, SD 5, ED 7, enumerated 9 Jun 1880 (extracted by Diana Gale Matthiesen):

1	2	3	4	5	6	8	10	13	23	24	25	26
90	90	Corbin Thomas	W	M	24		/	Laborer	/	OH	MD	MD
		______ Martha	W	F	20	Wife	/	Keeping house		OH	OH	OH

Thomas's mother was born in OH, not MD.  Living next door to Thomas's half-sister, Sarah (CORBIN) FEDDERS, and two doors down from Thomas's brother, George Washington CORBIN. 

3.  1890 Census:  the 1890 census population schedules were destroyed.

4.  1900 Census Index/Microfilm (online at Genealogy.com):  425 Rich Ct., City of Columbus, Ward 13, Franklin Co., OH, pp. 259A-259B, SN 9, SD 11, ED 98, enumerated 8 Jun 1900, official enumeration date 1 Jun 1900 (extracted by Diana Gale Matthiesen):

1900:  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

7

8

9

10

11

12

13

14

15

19

20

22

23

24

25

27

174

192

Corbin Thos M

Head

W

M

Apr 1856

44

M

21

OH

MD

Ireland

laborer

3

Y

Y

Y

R

H

______ Martha

Wife

W

F

Mar 1860

40

M

21

12

10

OH

VA

OH

Y

Y

Y

[next page]

______ Jerome

Son

W

M

May 1883

17

S

OH

OH

OH

Y

Y

Y

______ Albert

Son

W

M

Apr 1885

15

S

OH

OH

OH

Y

Y

Y

______ Walter

Son

W

M

Sept 1887

12

S

OH

OH

OH

Y

Y

Y

______ Lida

Dau

W

F

Jun 1890

10

S

OH

OH

OH

Y

Y

Y

______ Thomas E

Son

W

M

Feby 1892

8

S

OH

OH

OH

Y

Y

Y

______ Eva

Dau

W

F

Apr 1894

6

S

OH

OH

OH

Y

Y

Y

______ Ethel

Dau

W

F

Apr 1894

6

S

OH

OH

OH

Y

Y

Y

______ Raymond

Son

W

M

Dec 1897

2

S

OH

OH

OH

Y

Y

Y

______ Vernal

Son

W

M

June 1899

11/12

S

OH

OH

OH

Y

Y

Y

Thomas appears not to have know his mother's birthplace (she was born in OH).   His mother's second husband, John SHERRY, was born in Ireland, which may have given Thomas the idea that his mother was from Ireland, too. 

5.  1910 Census Images (online at Ancestry.com; Image #19 of 23):  143 Mitchell, City of Columbus, Ward 8, Franklin Co., OH, p. 93A, SN 10A, SD 11, ED 122, enumerated 23 Apr 1910; official enumeration date 15 Apr 1910 (extracted by Diana Gale Matthiesen):

1910:  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

7

8

9

10

11

12

13

14

17

18

19

20

21

22

23

24

25

26

28

29

30

31

32

167

171

Corbin, Thomas M

head

M

W

53

M1

30

OH

England

Ireland

English

laborer

contractor

W

no

16

N

N

R

H

15

5

9

8

______, Martha A

wife

F

W

50

M1

30

13

8

OH

OH

OH

English

none

Y

Y

______, Albert

son

M

W

25

S

OH

OH

OH

English

helper

transfer wagon

W

no

0

Y

Y

15

4

X

3

______, Walter P

son

M

W

23

S

OH

OH

OH

English

helper

transfer wagon

W

no

16

Y

Y

15

4

X

3

______, Earl T

son

M

W

18

S

OH

OH

OH

English

helper

transfer wagon

W

no

0

N

N

N

15

4

X

3

______, Eva

dau

F

W

16

S

OH

OH

OH

English

none

Y

Y

N

______, Raymond

son

M

W

13

S

OH

OH

OH

English

none

Y

Y

Y

______, Charles E

son

M

W

8

S

OH

OH

OH

English

none

Y

6.  1920 Census Index/Images (online at Ancestry.com):  not found.

7.  Email from "BuckeyeTree."

8.  Broderbund.  World Family Trees.  Volume 11, Pedigree #3142.