Father possibly:  George SHERMAN, b. 1831/2, NY
Mother possibly:  Phoebe / Phebe A. __?__, b. 1841/2, NY

1.  Marriage Record:

2.  1880 Census Every-Name-Index/Images (online at Ancestry.com):  I can find no Clarence SHERMAN who is obviously or certainly our subject.  The one who comes closest is Clarence SHERMAN (æ 7, b. NY), who is living in Summer Hill, Cayuga Co., NY (p. 377B), with his parents, George SHERMAN (æ 48, b., NY) & Phebe A. (æ 38, b. NY), plus siblings.  Lottie E. CORBIN (æ 8, b. PA) is living in Albany Twp., Bradford Co., PA, with her alleged parents, Ludd & Florence CORBIN (q.v.). 

3.  1890 Census:  the 1890 Census Population Schedules were destroyed.

4.  1900 Census Every-Name-Index/Images (online at Ancestry.com, Image #45 of 47):  ?? Lincoln St., Waverly Village, Barton Town[ship], Tioga Co., NY, Roll T623_1167, p. 69A, SN 23, SD 15, ED 120, enumerated 23 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

*

??

564

620

Sherman Clarence L

Head

W

M

Mar 1872

28

M

7

NY

unknown

Baker

0

Y

Y

Y

R

H

_______ Lottie E

Wife

W

F

Apr 1873

27

M

7

0

0

PA

PA

PA

Dressmaker

0

Y

Y

Y

Heshverger? Laura

Servant

W

F

Oct 1871

28

S

PA

PA

PA

House Work

10

Y

Y

Y

Corbin Hanna

M-in-law

W

F

Nov 1854

45

Wd

8

6

PA

NJ

PA

Y

Y

Y

*Lincoln St

Hanna?  The easiest explanation here is that Florence's middle name was Susannah, a form of "Susan Hannah."  The hard part to explain is how she got enumerated twice, just a few weeks apart (see parents' page).

5.  1910 Census Every-Name-Index/Images (online at Ancestry.com, Image #10 of 37):  6 Clinton Place, Oneonta City (Ward 5), Otsego Co., NY, Roll T624_949, p. 261B, SN 5B, SD 8, ED 64, enumerated 18 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
*	6	-	116	Sherman Clarence L	Head	M	W	38	M1	16			NY	NY	NY	Eng	Baker	Bakery	W	N	0	Y	Y		R	H
				_______ Lottie E	Wife	F	W	38	M1	16	0	0	PA	PA	PA	Eng	None					Y	Y
				Hancock Lottie L	Niece	F	W	13	S				NY	PA	PA	Eng	None					Y	Y	N
*Clinton Place

6.  1920 Census Every-Name-Index/Images (online at Ancestry.com):  can't find, and I really looked.

7.  1930 Census Every-Name-Index/Images (online at Ancestry.com, Image #15 of 43):  4 Burton [Ave.], Binghamton City (Ward 12), Broome Co., NY, Roll 1407, p. 159B, SN 8B, ED 4-47, SD 15, enumerated 9 Apr 1930, official enumeration date 1 Apr 1930 (extracted by Diana Gale Matthiesen):

1930:  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	10	11	12	13	14	15	16	17	18	19	20	24	25	26	27	28	30
*	4	154	185	Sherman Clarence L	Head	R	30	N	M	W	58	M	21	N	Y	NY	NY	NY	Y	Baker	Bakery	W	Y	N
				_______ Lottie E	Wife				F	W	58	M	21	N	Y	PA	PA	PA	Y	None
*Burton

8.  Harvey M. Lawson, compiler.  1905.  Descendants of Clement Corbin of Muddy River (Brookline, Ma. and Woodstock, Ct): with notices of other lines of Corbins.  Hartford Press, Hartford, CT (online at Ancestry.com and at GoogleBooks):

p. 215

LUDD DELANSON CORBIN (Chauncey, Oliver, Clement, Clement, James, Clement)… m. Florence S. Coleman… Children: i. LOTTIE ELIZABETH, b. April 23, 1872, at Albany, Pa.; m. Clarence L. Sherman of Waverly, N.Y. May 24, 1893; they removed to Binghampton, N.Y., in 1901, where he is a baker, and where they reside at 38 Broome St. No ch…

The Clarence A. SHERMAN (æ 37, b. NY) enumerated in the 1910 census of Binghamton, Broome Co., NY (p. 207A), is not our subject:  he has wife Della B., his occupation is "paper hanger," and his address is 221 Vestal Avenue.  Our subject is in the 1910 census of Otsego Co., NY.  So… did our subject temporarily live in Broome County or did Lawson mix up two different Clarence SHERMANs?  Certainly, our subject ended up in Binghamton, but that was well after Lawson's book was published.

9.  John H. [Harris] Sherman.  1991.  Sherman Directory.  4 vols.  Gateway Press, Baltimore, MD (extraction courtesy of Maurice J. Sherman):

v. 4, p. 2738	Lottie Elizabeth Corbin m. 24 May 1893, Clarence L. Sherman (b. 1866-1871, pos Waverly, Chemung, NY ancestry unk).
Waverly is in Tioga Co., NY, which is adjacent to Chemung Co., NY.