1.  Marriage Record:

2.  Census Microfilm Records:  Pennsylvania, 1850 (Broderbund CD-305; Disk 3):  Lower Towamensing Twp., Carbon Co., p. 292, 176/185, enumerated 27 Aug 1850 (extracted by Diana Gale Matthiesen):

Daniel Stroup	24	M	W	Farmer	Penna
Ellen	19	F	W		Penna
Eliza Jane	1	F	W		Penna
John Eastman	12	M	M		Penna

Living next door to Daniel EASTMAN.

3.  1860 Census Images (online at Ancestry.com; Image #17 of 36):  Parryville P.O., Lower Towamensing Twp., Carbon Co., PA, p. 59, PN 305, 2291/113, enumerated 27 Aug 1860 (extracted by Diana Gale Matthiesen):

Daniel Straub	34	M		Farmer	2500	600	Pa
Hellene	30	F					"
Eliza	11	F					"
Emma	9	F					"
Elmira	7	F					"
Martin	5	M					"
Julianna	2	F					"

Listed three households from brother, John STRAUB, who is living next door to their parents, David & Mary (OLEWINE) STRAUB. 

4a.  1870 Census Images (online at Ancestry.com; Image #4 of 40):  Parryville P.O., Lower Towamensing Twp., Carbon Co., PA, p. 146B, PN 4, 21/23, enumerated 24 Jul 1870 (extracted by Diana Gale Matthiesen):

Stroub Daniel	43	M	W	Farmer	4000	700	Penna
______ Ellen	39	F	W	Keeping House			"
______ Almira	16	F	W				"
______ Hannah	8	F	W				"
______ Eliza	20	F	W				"
______ David	66	M	W				"

David is Daniel's father.  Listed next to Daniel's brother, John STRAUB, who is two households from Daniel's first cousin, Moses STROUB (brother of Samuel), who is three households from Daniel's brother, Josiah STRAUB, and Daniel's sister, Amelia (STRAUB) SHAFER. 

4b.  1870 Census Images (online at Ancestry.com; Image #8 of 40):  Parryville P.O., Lower Towamensing Twp., Carbon Co., PA, p. 148B, PN 8, 50/55, enumerated 30 Jul 1870 (extracted by Diana Gale Matthiesen):¤•

Shafer David	60	M	W	Carpenter	3500	100	Penna
______ Eve	60	F	W	Keeping House			"
Stroub Samuel	30	M	W	Works in Furnace			"
______ Elizabeth	28	F	W				"
______ Julia	14	F	W				"

Samuel STROUB is our subject's first cousin (brother of Moses).  Samuel was unmarried and living with his parents in the 1860 census, so Julia does not appear to be Samuel's daughter.  Is she the missing daughter from our subject's household?

5.  1880 United States Census and National Index (LDS Family History Resource File: CD-ROM Library):

Census Place: Lower Towamensing, Carbon, Pennsylvania
Source: FHL Film 1255108; NARA Film T9-1108; Pg 466A
	Relation	Sex	Marr	Race	Age	Birthplace	Occupation	Fa	Mo
Daniel STROUP	Self	M	M	W	53	PA	Farmer	PA	PA
Ellen STROUP	Wife	F	M	W	48	PA	Housekeeping	PA	PA
Hannah SWARTZ	Dau	F	S	W	17	PA	Assisting Mother	PA	PA
Thomas SWARTZ	SonL	M	S	W	19	PA	Laborer	GERM	GERM
SWARTZ	GSon	M	S	W	1M	PA		PA	PA
Isabella GREEN	Other	F	S	W	18	PA	Servant	PA	PA

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

7.  Archives of the STRAUB-L Mailing List (online at RootsWeb.com).