1.  Marriage Record:

2.  1880 Census Every-Name-Index/Images (online at Ancestry.com):  Edith NEWTON (æ 2, b. PA) is living in Keating, McKean Co., PA (p. 314B), with her parents, Albert M. NEWTON (æ 29, b. NY) & Ella (æ 31, b. PA), plus siblings.

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

4.  1900 Census Every-Name-Index/Images (online at Ancestry.com, Image #4 of 6):  Lafayette Twp. (3rd Pct.), McKean Co., PA, Roll T623_1439, p. 144A, SN 8, SD 14, ED 116, enumerated 12 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	26	27
157	157	Stroup Harvey J	Head	W	M	Feb 1871	29	M	2			PA	PA	NY	Grocery Salesman	0	Y	Y	Y	O	0	H
		______ Edith	Wife	W	F	Sep 1877	22	M	2	1	1	PA	NY	PA			Y	Y	Y
		______ Hobart	Son	W	M	Feb 1900	4/12	S				PA	PA	PA

5.  1910 Census Every-Name-Index/Images (online at Ancestry.com, Image #25 of 33):  140 School Street, Bradford City (Ward 3), McKean Co., PA, Roll T624_1373 (Book 2), p. 134A, SN 13A, SD 17, ED 111, enumerated 22 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
*	140	290	303	Stroup Harvey J	Head	M	W	35	M1	12			PA	PA	PA	Eng	Driller	Oil Wells	W	N	0	Y	Y		R	H
				______ Ada	Wife	F	W	30	M1	12	3	2	PA	NY	PA	Eng	none					Y	Y
				______ Hobert	Son	M	W	10	S				PA	PA	PA	Eng	none					Y	Y	Y
				______ Marie	Dau	F	W	9	S				PA	PA	PA		none							Y
*School Street

6.  1920 Census Every-Name-Index/Images (online at Ancestry.com, Image #35 of 47):  368 East Main Street, Bradford City (Ward 6), McKean Co., PA, Roll T625_1600 (Book 1), p. 165A, SN 18A, SD 15, ED 123, enumerated 17 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).

1

2

3

4

5

6

7

8

9

10

11

12

16

17

18

19

21

23

25

26

27

28

29

*

368

277

402

Stroup Harvey J

Head

O

F

M

W

48

M

Y

Y

PA

PA

PA

Y

Oil Producer

Crude Oil

Em

-

______ Edith

Wife

F

W

42

M

Y

Y

PA

NY

PA

Y

House Wife

______ Hobart A

Son

M

W

19

S

Y

Y

PA

PA

PA

Y

Oil Producer

Crude Oil

Em

______ Ada M

Dau

F

W

18

S

Y

Y

Y

PA

PA

PA

Y

Student

College

*East Main Street

7.  1930 Census Every-Name-Index/Images (online at Ancestry.com, Image #42 of 73):  368 East Main Street, Bradford City (Ward 6), McKean Co., PA, Roll 2079 (Book 1), p. 190A, SN 21A, ED 42-10, SD 3, enumerated 21 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	9	10	11	12	13	14	15	16	17	18	19	20	24	25	26	27	28	30
*	368	469	474	Stroup J Harvey	Head	O	$18000	R	N	M	W	59	M	27	N	Y	PA	PA	PA	Y	Producer	Oil Field	E	Y	N
				______ E Carrie	Wife					F	W	52	M	19	N	Y	PA	NY	PA	Y	None
				______ A Hobart	Son					M	W	30	M	29	N	Y	PA	PA	PA	Y	Superintendant	Oil Lease	W	Y	N
*East Main Street

This enumerator took last name first to mean name in reverse.  If Hobart is married, where is his wife?

8.  Joseph Riesenman, Jr.  1943.  History of Northwestern Pennsylvania.  Lewis Historical Publ. Co., NY, pp. 232-233 (complete sketch online in the archive of the STRAUB Mailing List at RootsWeb.com).

HOBART A. STROUP - As a drilling contractor in the Pennsylvania and New York oil and gas fields, Hobart A. STROUP continues his connection with an industry in which he has been active since he was a boy... Mr. STROUP was born at Lafayete, McKean County, on February 6, 1900, son of Harvey J. and Edith (NEWTON) STROUP.  His father, who died on April 21, 1939, was born at Richardsville and came to the oil region of the State shortly after the early excitement, spending the rest of his life here.  He was also active in the general life of Bradford, his home for many years, and was prominent fraternally in the Odd Fellows, the Elks and the Masonic Order, in the latter of which he was affiliated with all higher bodies of both York and Scottish rites.  Edith (NEWTON) STROUP, the mother, was born at Newton and is still living.  She is a granddaughter of William F. ORMSBY, who drilled the first well in the Ormsby field and for whom the town of Ormsby is named...

9.  Public Member Trees (online at Ancestry.com).