1.  Marriage Record:

2.  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. 9

Alfred Strope

000 020 - 200 010

0200000

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
2 males	20-29	1810-1820	= Alfred (b. 1814/5) = ?
2 females	4 or under	1835-1840	= Clarissa (b. 1840) = Susan (b. 1838/9)
1 female	20-29	1810-1820	= Clarissa (b. 1812/3)
2	persons employed in agriculture

Listed one line below Alfred's brother, Samuel STROPE, and one line above Alfred's brother, Henry STROPE.

3.  1850 Census Index/Images (online at Ancestry.com; Image #1-2 of 48):  Burlington Twp., Bradford Co., PA, pp. 30A-30B/59-60, 6/6, enumerated 6 Aug 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):¤•

Alfred Strop	35	M		Farmer	1000	Pa
Clarissa  "	37	F				"
Susan     "	11	F				"
Clarissa  "	9	F				"
Isaac     "	8	M				"
[next page]
Rachael Strope	5	F				Pa
Nathaniel  "	3	M				"

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

4.  1860 Census Images (online at Ancestry.com; Image #19 of 35):  Highland P.O., Burlington Twp., Bradford Co., PA, p. 137, 2152/1959, enumerated 2 Aug 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

Alfred Strope	45	M		Farmer	1000	400	Pa
Eliza     "	48	F					"
Clarissa  "	20	F					"
Isaac     "	18	M					"
Rachael   "	15	F					"
Nathaniel "	13	M					"
Samuel    "	10	M					"

Listed one household after Alfred's brother, Henry STROPE, and  three households before Alfred's brother, Samuel STROPE. 

5.  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	16	17	19
197	197	Strope Alfred	55	M	W	Farmer	1500	1000	Pa	/	/	/
		______ Clarissa	58	F	W	Keeping H			"
		______ Samuel M	20	M	W				"

Listed three households from their son, Isaac STROPE. 

6.  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 123A
	Relation	Sex	Marr	Race	Age	Birthplace	Occupation	Fa	Mo
Isaac STROPE	Self	M	M	W	38	PA	Farmer	PA	PA
[Isaac's wife and children]
Clarissa STROPE	Mother	F	W	W	69	PA		PA	PA

7.  1890 Census:  the 1890 Population Schedules were destroyed.

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