1.  Marriage Record:

2.  1830 Census Index/Images (online at Ancestry.com; Image #5 of 16; extracted by Diana Gale Matthiesen):¤•

1830

PA

Bradford Co.

Towanda Twp.

p. 118

Ln. 2

Henry Strope

200 010 - 020 010

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
2 males	4 or under	1825-1830	= Ezra (b. 1828/9) = John (b. 1826/7)
1 male	20-29	1800-1810	= Henry (b. 1800)
2 females	5-9	1820-1825	= Polly = Sarah
1 female	20-29	1800-1810	= Wealthy (b. 1805/6)

3.  1840 Census Index/Images (online at Ancestry.com; Image #11-12 of 16; extracted by Diana Gale Matthiesen):¤•

1840

PA

Bradford Co.

Burlington Twp.

pp. 268B-269A

Ln. 10

Henry Strope

030 000 100 - 100 201 000

0100000

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
3 males	5-9	1830-1835	= David (b. 1830/1) = Ezra (b. 1828/9) = John (b. 1826/7)
1 male	40-49	1790-1800	= Henry (b. 1800)
1 female	4 or under	1835-1840	= Matilda (b. 1836/7)
2 females	15-19	1820-1825	= Polly = Sarah
1 female	30-39	1800-1810	= Wealthy (b. 1805/6)
1	person employed in agriculture

John and Ezra should be in the next higher age class.  Listed one line below Henry's brother, Alfred STROPE, who is one line below, their brother, Samuel STROPE. 

4.  1850 Census Index/Images (online at Ancestry.com; Image #1 of 48):  Burlington Twp., Bradford Co., PA, p. 30A/59, 4/4, enumerated 6 Aug 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):¤•

H Strope	54	M		Farmer	2800	Pa
Wealthy "	44	F				"
Ezra    "	21	M		Farmer		"
David   "	19	M		Farmer		"
John    "	23	M		Farmer		"
Matilda "	13	F				"
Henry   "	8	M				"
Ann     "	2	F				"
Mary    "	21	F				"

I'm not certain Henry even knew when he was born (see other censuses, below).  Either that or the informant was guessing.  Mary must be the wife of son John.  Listed next to Samuel STROPE, in one direction; and, in the other direction, listed two households from Alfred STROPE. 

5.  1860 Census Images (online at Ancestry.com; Image #19 of 35):  Highland P.O., Burlington Twp., Bradford Co., PA, p. 137, 2151/1958, enumerated 2 Aug 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

Henry Strope	71	M		Farmer	1400	600	600
Wealthy  "	52	F					"
Henry    "	16	M		"			"
Ann      "	13	F					"
Eisah    "	19	M					"
Harriet Wiggins	15	F					"

Listed next to Henry's brother, Alfred STROPE, who is two households from H.L. WIGGINS, who is next to Henry's brother, Samuel STROPE. 

6.  1870 Census Index/Images (online at Genealogy.com; Image #28 of 30):  Burlington P.O., Burlington Twp., Bradford Co., PA, Roll 1311 (Book 1), p. 121B, PN 28, enumerated 30 Aug 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

1870:  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	15	16	17	19
195	195	Strope Henry	70	M	W	Farmer	4000	2000	Pa		/	/	/
		______ Weltha	61	F	W	Keeping H			"
		Bennett Burton	11	M	W				"	/

7.  LDS.  Family Search: Census Records: 1880 United States (online at FamilySearch.org):¤•

Census Place: Burlington, Bradford, Pennsylvania
Source: FHL Film #1255104; NARA Film #T9-1104; Pg 125B
	Relation	Sex	Marr	Race	Age	Birthplace	Occupation	Fa	Mo
Henry STROPE	Self	M	M	W	80	PA	Farmer	PA	--
Wealthy STROPE	Wife	F	M	W	73	PA	Keeping House	PA	PA
Annie SCHRADER	Dau	F	S	W	31	PA	Keeping House	PA	PA
Henry SCHRADER	GSon	M	S	W	13	PA	At School	PA	PA
Ella Matilda SCHRADER	GDau	F	S	W	11	PA	At School	PA	PA
Allen SCHRADER	GSon	M	S	W	10	PA	At School	PA	PA
Cortez SCHRADER	GSon	M	S	W	8	PA	At School	PA	PA
Robert PRICE	Other	M	S	W	40	PA	Laborer	PA	PA

8.  1890 Census:  the 1890 Population Schedules were destroyed.

9.  Archives of the STRAUB-L mailing list (online at RootsWeb.com).

10.  LDS.  Family Search: Internet Genealogy Service:  IGI - International Genealogical Index (online at FamilySearch.org).

11.  WorldConnect / Ancestry World Trees (online at RootsWeb.com/Ancestry.com).