1.  Marriage Record:

2.  1850 Census Every-Name-Index/Images (online at Ancestry.com):  Mary GRADY (æ 4, b. PA) is living in Monroe Twp., Clarion Co., PA (p. 63A), with her parents, William GRADY (æ 32, b. PA) & Cathaine? (æ 26, b. PA), plus siblings.

3.  1860 Census Every-Name-Index/Images (online at Ancestry.com):  Mary J. GRADY (æ 14, b. PA — indexed "Gnady") is living in Millcreek Twp., Clarion Co., PA (p. 338), with her parents, William H. GRADY (æ 44, b. PA) & Catharn? (æ 38, b. MD), plus siblings; listed next to Jesse TEATS.

4.  1870 Census Every-Name-Index/Images (online at Ancestry.com, Image #6 of 13):  Fisher P.O., Mill Creek Twp., Clarion Co., PA, Roll M593_1326, p. 529B, PN 6, 37/39, enumerated 29 Jun 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

Stroup James	28	M	W	Laborer		310	Penna
______ Mary J	24	F	W	Keeping house			"
______ Francies/Francia C	4	F	W				"
______ Mary M	2	F	W				"

Listed next to Mary's parents, William GRADY (æ 53, b. PA) & Anna K. (æ 47, b. PA).

5.  1880 Census Every-Name-Index/Images (online at Ancestry.com, Image #6 of 17):  Millcreek Twp., Clarion Co., PA, Roll T9_1118, p. 417B, PN 20, SD 10, ED 84, enumerated 12 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

10

13

21

22

23

24

25

26

159

162

Stroup James

W

M

39

/

Laborer

/

/

Pa

O

O

______ Mary

W

F

34

Wife

/

keeping house

Pa

Pa

Md

______ Carrie

W

F

14

Dau

at home

/

Pa

Pa

Pa

______ Mary M

W

F

12

Dau

at home

/

Pa

Pa

Pa

______ Charles

W

M

9

Son

/

Pa

Pa

Pa

______ Hattie/Hettie

W

F

5

Dau

Pa

Pa

Pa

______ Jennie

W

F

3

Dau

Pa

Pa

Pa

James's parents were born in Pennsylvania, not Ohio.  Listed two households from Mary's parents, William GRADY (æ 63, b. PA) & Catharine (æ 58, b. Ny[?]).

6.  1890 Census:  the 1890 Census Population Schedules were destroyed.

7.  1900 Census Every-Name-Index/Images (online at Ancestry.com, Image #10 of 18):  Millcreek Twp., Clarion Co., PA, Roll T623_1395 (Book 1), p. 205B, SN5, SD 14, ED 16, enumerated 11 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	21	22	23	24	25	26	27	28
72	73	Stroup James S	Head	W	M	Nov 1842	57	M	35			PA	PA	PA	Farmer	1		N	N	Y	O	F	F	61
		______ Mary J	Wife	W	F	Mar 1847	53	M	35	7	6	PA	PA	PA				Y	Y	Y
		______ Mable C	Dau	W	F	Jan 1887	13	S				PA	PA	PA	At School		7	Y	Y	Y

Mary appears to have shaved a year off her age.

8.  1910 Census Index/Images (online at Ancestry.com, Image #15 of 15):  Mill Creek Twp., Clarion Co., PA, Roll T624_1329 (Part 2), p. 284A, SN 8A, SD 18, ED 16, enumerated 25 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	23	24	26	27	28	29	30
122	124	Stroup James S	Head	M	W	69	M1	44			PA	PA	NJ	Eng	Farmer	General farm	Emp	Y	N	O	F	F	100	UA
		______ Mary J	Wife	F	W	64	M1	44	7	6	PA	PA	PA	Eng	None			Y	Y

9.  1920 Census Every-Name-Index/Images (online at Ancestry.com, Image #2 of 10):  Fisher, Millcreek Twp., Clarion Co., PA, Roll T625_1551 (Book 2), p. 249B, SN 1B, SD 18, ED 73, enumerated 7 Jan 1920, official enumeration date 1 Jan 1920 (extracted by Diana Gale Matthiesen):¤•

1920:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).

2

3

4

5

6

7

8

9

10

11

12

17

18

19

21

23

25

26

27

28

Fm

10

10

Stroup Mary

Head

O

F

F

W

73

W

Y

Y

PA

PA

PA

Y

None

Hilliard Clark

Son-in-Law

M

W

42

M

Y

Y

PA

PA

PA

Y

Driller

Oil & Gas Driller

W

________ Jennie

Dau

F

W

42

M

Y

Y

PA

PA

PA

Y

None

________ Mabel

GDau

F

W

15

S

Y

Y

PA

PA

PA

Y

None

10.  1930 Census Index/Images (online at Ancestry.com, Image #9 of 12):  Millcreek Twp., Clarion Co., PA, Roll 2017 (Book 1), p. 5A, SN 5A, ED 16-20, SD 8, enumerated 11 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).
3	4	5	6	7	8	10	11	12	13	14	15	16	17	18	19	20	24	25
55	55	Stroup Mary J	Head	O	$1000	Y	M	W	84	Wd	20	N	Y	PA	PA	PA	Y	None

11.  Civil War Pension Index (index and images online at Ancestry.com):

Name of Soldier	Stroup James
Name of Dependent	Widow	Stroup Mary J
	Minor
Service	B? 6 U.S. Cav
	H 37 Pa: Inf
Date of Filing	Claim	Application No.	Certificate No.	State from which Filed
1866 May 10	Invalid	108 506	163,743
1918 Feb 23	Widow	1115 746	847,034	Pa
	Minor

The card image is blurred and hard to read.  These pension applications should contain the marriage date and place, plus a list of the children and their birthdates, so getting copies from the National Archives should be well worth the effort.

12.  Anon.  1997-2000.  Military Records of Individual Civil War Soldiers.  Historical Data Systems, Provo, UT (online at Ancestry.com):

Name:	James Stroup
Enlistment Date:	30 April 1861
Distinguished Service:	DISTINGUISHED SERVICE
Side Served:	Union
State Served:	Pennsylvania
Unit Numbers:	2266 2266
Service Record:	Enlisted as a Private on 30 April 1861. Enlisted in Company H, 37th Infantry Regiment Pennsylvania on 30 April 1861. Transferred Company H, 37th Infantry regiment Pennsylvania on 01 September 1862. Transferred in Company R, 6th Cavalry Regiment US on 01 September 1862.

13.  Messages posted to the Grady Family Genealogy Forum (online at GenForum.com).