1.  Marriage Record:

2.  1890 Census:  the 1890 Census Population Schedules were destroyed.

3.  1900 Census Every-Name-Index/Images (online at Ancestry.com):  can't find, and I really searched.

4.  1910 Census Index/Images (online at Ancestry.com, Image #4 of 34):  Tank Street, Pittsburgh City (Ward 24), Allegheny Co., PA, Roll T624_1307 (Part 3), p. 122B, SD 23, ED 612, enumerated 16 Apr 1910, official enumeration date 15 Apr 1910 (extracted by Diana Gale Matthiesen):¤•

1910:  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

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

*

25

27

Straub Mary

Head

F

W

42

Wd

6

5

Ger. German

Ger. German

Ger. German

1890

German

Cleanor

Factory Office

W

N

0

Y

Y

O

F

H

______ Clara

Dau

F

W

14

S

Pennsylvania

Ger. German

Ger. German

English

Sort Corks

Cork Factory

W

N

52

Y

Y

N

______ Emil

Son

M

W

12

S

Pennsylvania

Ger. German

Ger. German

English

None

Y

Y

Y

______ Otto

Son

M

W

10

S

Pennsylvania

Ger. German

Ger. German

English

None

Y

Y

Y

______ Herman

Son

M

W

7

S

Pennsylvania

Ger. German

Ger. German

None

N

______ Helen

Dau

F

W

4

S

Pennsylvania

Ger. German

Ger. German

None

*Tank Street

5.  1920 Census Every-Name-Index/Images (online at Ancestry.com, Image #21 of 22):  6 Tank St., Pittsburgh (Ward 24), Allegheny Co., PA, Roll T625_1524 (Book 2), p. 243A, SN 11A, SD 24, ED 709, enumerated 9 Jan 1920, official enumeration date 1 Jan 1920 (extracted by Diana Gale Matthiesen):¤•

1920:  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

11

12

13

14

16

17

18

19

20

21

22

23

24

25

26

27

28

*

6

171

230

Straub Mary

Head

O

F

F

W

53

Wd

Un

Un

N

Y

Hesse-Kassel

German

Hesse-Kassel

German

Hesse-Kassel

German

N

None

______ Clara

Dau

F

W

24

S

Y

Y

Pennsylvania

Hesse-Kassel

German

Hesse-Kassel

German

Y

Inspector

Cork Co

W

______ Emil

Son

M

W

21

S

Y

Y

Pennsylvania

Hesse-Kassel

German

Hesse-Kassel

German

Y

Machinist

Machine Shop

W

______ Otto

Son

M

W

20

S

N

Y

Y

Pennsylvania

Hesse-Kassel

German

Hesse-Kassel

German

Y

Laborer

Wire Works

W

______ Herman

Son

M

W

17

S

N

Y

Y

Pennsylvania

Hesse-Kassel

German

Hesse-Kassel

German

Y

Errand Boy

Railroad

W

______ Helen

Dau

F

W

14

S

N

Y

Y

Pennsylvania

Hesse-Kassel

German

Hesse-Kassel

German

Y

None

*Tank St

6a.  1930 Census Index/Images (online at Ancestry.com):  can't find Mary.

6b.  1930 Census Index/Images (online at Ancestry.com, Image #31 of 51 — indexed "Ennis Straub"):  1629 Rhine Street, Pittsburgh City (Ward 24, Block 52), Allegheny Co., PA, Roll 1985, p. 85A, SN 16A, ED 2-425, SD 12, enumerated 15 Apr 1930, official enumeration date 1 Apr 1930 (extracted by Diana Gale Matthiesen):¤•

1930:  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	11	12	13	14	16	17	18	19	20	24	25	26	27	28	30
*	1629	149	193	Straub Emil	Lodger	M	W	32	S	N	Y	PA	Ger	Ger	Y	machinist	gray? works	W	Y	N
*Rhine Street

Boarding w/ZANG family.

6c.  1930 Census Index/Images (online at Ancestry.com, Image #8 of 61):  2106 Rockledge St., Pittsburgh City (Ward 26, Block 417), Allegheny Co., PA, Roll 1984 (Book 1), p. 261B, SN 4B, ED 2-468, SD 12, enumerated 4 Apr 1930, official enumeration date 1 Apr 1930 (extracted by Diana Gale Matthiesen):¤•

1930:  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	11	12	13	14	16	17	18	19	20	24	25	26	27	28	30
*	2106	42	50	Stroup Herman	Lodger	M	W	27	S	N	Y	PA	Ger	Ger	Y	Baler	Cork Factory	W	Y	N
*Rockledge St

Boarding w/KALMBACH family.

7.  SSDI:  Social Security Death Index (online at RootsWeb.com; missing columns contained no data):

Name	Birth	Death	Last Residence / Last Benefit	SSN	Issued	Post-em
Emil STRAUB	17 Mar 1898	Dec 1978	15237 (Pittsburgh, Allegheny, PA)	166-10-2381	PA	Yes
Herman STRAUB	20 Feb 1903	Apr 1983	15229 (Pittsburgh, Allegheny, PA)	192-10-6975	PA	Yes

8.  Message posted to the STRAUB Surname Board (online at RootsWeb.com/Ancestry.com).

9.  Message posted to the Straub Family Genealogy Forum (online at GenForum.com).