1.  Jordan R. Dodd, ed.  1998.  Marriage Index:  Illinois, 1851-1900.  Liahona Research, Orem, UT (Broderbund CD-250):

Straub, John D.

Wedehamer/Wedenhamer, Elizabeth Ann

5 Feb 1857

Adams Co.

2.  1860 Census Images (online at Ancestry.com; Image #27 of 37):  Quincy P.O., Ellington [Twp.], T1S.R8W, Adams Co., IL, p. 509, PN 509, 3739/3861, enumerated 12 Sep 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

John Stroub	25	M		Farm Laborer		600	Pa
Elizabeth "	21	F					Pa
Ellen     "	3	F					Do
Cora      "	1	F					Ills
William   "	35	M					Pa
Nancy     "	28	F					Do
Margaret  "	10	F					Ohio
John      "	7	M					Ills
Frank     "	3	M					Do
Joseph Vanever?	17	M					Do

William STROUB/STRAUB is John's brother. 

3.  1870 Census Images (online at Ancestry.com; Image #27 of 38) and (online at Genealogy.com; Image #26 of 37):  Fowler P.O., Gilmer Twp., Adams Co., IL, p. 168A, PN 25, 167/156, enumerated 2 Jul 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

Straub John D	33	M	W	Dry Goods Merchant	5000	3000	Penn
Elizabeth H	28	F	W	Keeping House			Illinois
Ellen	12	F	W	At School			Illinois
Cora	10	F	W	At School			Illinois
Henry?	8	M	W				Illinois
Florentine	4	M	W				Illinois
Weidenhamer Elizabeth	59	F	W			600	Wuertemberg

Elizabeth WEIDENHAMMER is our subject's mother-in-law.

4.  1880 Census (indexed at FamilySearch.org; page image online at Ancestry.com, Image #25 of 28):  The Village of Fowler, [Gilmer Twp.,] Adams Co., IL, Roll 174, p. 142A, PN 25, SD 6, ED 9, enumerated 18 Jun 1880, official enumeration date 1 Jun 1880 (extracted by Diana Gale Matthiesen):¤•

1880:  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

8

9

10

13

21

24

25

26

188

190

Straub John

W

M

45

/

Store Keeper

PA

PA

Ger

______ E A

W

F

43

Wife

/

Keeps House

IL

PA

Ger

______ Ellen

W

F

22

Dau

/

IL

PA

IL

______ Harry

W

M

18

Son

/

Telegraph op'ter

IL

PA

IL

______ Florentine

W

M

14

Son

/

/

IL

PA

IL

______ John

W

M

9

Son

/

/

IL

PA

IL

______ Wm

W

M

7

Son

/

/

IL

PA

IL

______ Mary

W

F

1

Dau

/

IL

PA

IL

Living next to John's younger brother, Albert B. STRAUB, whose wife is Elizabeth's niece. 

5.  1890 Census:  the 1890 Census Population Schedules were destroyed.

6.  1900 Census Index/Images (online at Genealogy.com, Image #17 of 29):  Gilmer Twp., Adams Co., IL, Roll 235 (Book 1), p. 116B, SN 9, SD 9, ED 108, enumerated 9 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	13	14	15	19	20	22	23	24	25	26	27
115	115	Straub John D	Head	W	M	Mar 1835	65	Wd	PA	PA	Ger	Retired Merchant	?	Y	Y	Y	O	M	H
		Straub Marriel? A	dugat (sic)	W	F	Oct 1873	21	S	IL	PA	IL			Y	Y	Y

7.  Messages posted to the Straub Surname Board (online at Ancestry.com).

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