— born in PA:
4.  Cochran STROUP, b. 1864/5
5.  Ellen STROUP, b. 1867/8

— born in Chester Co., PA:
6.  Hiram STROUP, b. 1870/1
7.  Sylvia STROUP, b. 1872/3

1.  Marriage Record:

2.  1860 Census Images (online at Ancestry.com; Image #324 of 430):  Mahontongo P.O., Susquehanna Twp., Juniata Co., PA, p. 792, PN 232, 1604/1, enumerated 1 Aug 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤

Frederick Stroup	21	M		Laborer		300	Penna
Amanda Stroup	20	F					"
John	1	M					"
Priscilla	3/12	F					"
Lucinda Miller	23	F		domestic			"
Cath Sellers	90	F		widow		500	"

3.  1870 Census Index/Images (online at Genealogy.com; Image #6 of 26):  Thorndale Ironworks P.O., Caln Twp., Chester Co., PA, Roll 1323 (Book 1), p. 9b, PN 6, 43/43, enumerated 25 Jul 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤

Stroup Fredrick	30	M	W	Farmer		100	Pennsylvania
______ Amanda	28	F	W	Keeping house			Pennsylvania
______ John	8	M	W				Pennsylvania
______ Cohran	5	M	W				Pennsylvania
______ Ellen	3	F	W				Pennsylvania

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

Census Place: Sadsburybille, Chester, Pennsylvania
Source: FHL Film 1255114; NARA Film T9-1114; Pg 59A
	Relation	Sex	Marr	Race	Age	Birthplace	Occupation	Fa	Mo
Amand STROUP	Self	F	M	W	37	PA	Keeping House	PA	PA
John STROUP	Son	M	S	W	18	PA	Works In Factory	PA	PA
Cochran STROUP	Son	M	S	W	15	PA	Works In Factory	PA	PA
Ellen STROUP	Dau	F	S	W	12	PA	Works In Factory	PA	PA
Hiram STROUP	Son	M	S	W	9	PA		PA	PA
Sylvia STROUP	Dau	F	S	W	7	PA		PA	PA

Amanda is fibbing about her age.

5.  Emails from Susan M. (Gates) Davis, Jim Burnell, Michael Helms.

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

7.  Messages on the STROUP Message Board (online at Ancestry.com/RootsWeb.com).