1.  Allen L. Potts.  Marion County, Ohio, Probate Court Marriage Records, Vols. I-XII, 1824-1902 (online at Heritage Pursuit):

Bensley, Isreal	Corbin, Martha Ann	1/25/1858 - Lic. obtained by James Bensley	Rev. W. Martin
Bensley, Carrie B. - 18	Welch, Addis A. - 22	11/1/1883	Rev. G.A. Peter - Cardington
Bensley, Mrs Martha Ann - 46	Shroats, Samuel - 55	5/10/1885	Rev. Samuel Werts

2.  1860 Census Index/Images (online at Genealogy.com, Image #24 of 28):  Waldo P.O., Village of Waldo, [Waldo Twp.,] Marion Co., OH, Roll 1006, p. 411A, PN 98, 703/703, enumerated 10 Jul 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):º¤

Israel Bensley	29	M		farm laborer			Ohio
Martha    "	22	F					Do
Cyndra E  "	1	F					Do
William F "	5/12	M					Do

Listed between Israel's father, James BENSLEY, and Israels' brother, John BENSLEY. 

3.  1870 Census Index/Images (online at Genealogy.com, Image #4 of 8):  Waldo P.O., Village of Waldo, Marion Co., OH, Roll 1240 (Book 1), p. 211B, PN 3, 23/36, enumerated 7 Jun 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤

Israel Bensley	30	M	W	Day Laborer			Ohio
Martha A   "	31	F	W	Keeping House			"
Cindrilla  "	11	F	W				"
William T  "	10	M	W				"
James H    "	8	M	W				"
Carrie B   "	5	F	W				"
Ellmore    "	2	M	W				"

Living next to Israel's father, James BENSLEY.  Eight houses down from Martha's parents, Elijah & Elizabeth (ELY) CORBIN. 

4.  1880 Census (indexed at FamilySearch.org; page image online at Ancestry.com, Image #3 of 22):  Incorporated Village of Waldo, Maron Co., OH, Roll 1046 (Book 1), p. 122C, PN 3, SD 5, ED 95, actual enumeration date not given, 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

7

8

9

10

11

13

14

20

21

24

25

26

24

25

Bensley Martha

W

F

41

/

Keeping House

OH

PA

PA

_______ Cindrilla

W

F

21

Dau

/

at home

6

OH

OH

OH

_______ William

W

M

20

Son

/

at home

4

/

OH

OH

OH

_______ James

W

M

18

Son

/

at home

6

OH

OH

OH

_______ Carrie

W

F

15

Dau

/

at school

3

/

OH

OH

OH

_______ Elmer

W

M

12

Son

/

at school

8

/

OH

OH

OH

_______ no name

W

F

1/12

Apr

Dau

/

OH

OH

OH

Corbin Elizabeth

W

F

63

Mother

/

Boarding

6

PA

PA

PA

Living next door to John J. STRAUB, brother-in-law of Martha's sister, Sarah (CORBIN) STRAUB. 

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

6.  1900 Census Index/Microfilm (online at Genealogy.com):  Waldo Village, Waldo Twp., Marion Co., OH, p. 290B, SN 1, ED 72, enumerated 2 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	11	12	13	14	15	19	20	22	23	24	25	26	27
11	11	Shroats Martha	Head	W	F	Jan 1839	61	Wd	6	4	OH	OH	PA			Y	Y	Y	O	F	R
		Bensley, William	Son	W	M	Dec 1859	40	S			OH	OH	OH	Day laborer	8	Y	Y	Y

Listed next to Martha's nephew, William Sherman CORBIN. 

7.  1910 Census Images (online at Ancestry.com; Image #2 of 21):  Marion Street, Waldo Village, Waldo Twp., Marion Co., OH, p. 279A, SN 1B, SD 12, ED 104, enumerated 15 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	10	11	12	13	14	17	18	19	20	21	22	23	24
18	18	Shroats Martha A	Head	F	W	71	W	6	4	OH	OH	PA	Eng	None					Y	Y
		Bensley William	Son	M	W	50	S			OH	OH	OH	Eng	Stone Mason	Building Walls	W	No	4	Y	Y
		_______ Irene B	Daughter	F	W	29	S			OH	OH	OH	Eng	Apprentice	Dress Making	OA			Y	Y

8.  Paul J. Midlam & Barbara Midlam.  1985.  Marion County, Ohio, Cemetery Inscriptions (online at Heritage Pursuit):

BENSLEY, Israel	1830-1880	Waldo [Cemetery]	Waldo [Twp.]
BENSLEY, Martha A.	1839-1910 w/o Israel	Waldo [Cemetery]	Waldo [Twp.]

Somehow it pleases me that she was buried as Martha BENSLEY, not Martha SHROATS.

9.  Maxine Marshall, ed.  [nd]  Marion County, Ohio, Death Records, 1867-1880, Volume I.  Marion Area Genealogical Society, Marion, OH (online at Heritage Pursuit; missing columns contained no data):

Name	Date of Death	Age at Death	Place of Death	Place of Birth	Cause of Death
BENSLEY, Israel	02/25/80	48Y 10M 15D	Waldo Tp	Delaware Co., OH	stabbed

10.  Birthdate calculated using Ben Buckner's JavaScript Birthday Calculator.

Entered		Result
25 Feb 1880	15d 10m 48y	10 Apr 1831
(Calculated birthdates should always be prefaced with "ca." — you can't be certain the person who calculated their age did it correctly.)

11.  A series of newspaper articles in The Marion Daily Star recounting the murder of Israel BENSLEY and the trial of Enoch YOUNG.