1.  Marriage Record:

2a.  LDS.  Family Search: Census Records: 1880 United States (online at FamilySearch.org):

Census Place: Perry, Snyder, Pennsylvania
Source: FHL Film #1255194; NARA Film #T9-1194; Pg 134A
	Relation	Sex	Marr	Race	Age	Birthplace	Occupation	Fa	Mo
John W. HAAS	Self	M	M	W	24	PA	School Teacher	PA	PA
Elizabeth HAAS	Wife	F	M	W	27	PA	Keeping House	PA	PA
Rebeca HAAS	Other	F	S	W	77	PA	Keeping House	PA	PA
Philip PRESLER	Other	M	S	W	22	PA	Works On Farm	PA	PA

Rebecca HAAS is John's aunt.  The link from the LDS record to the Ancestry.com page image goes to the wrong page, in a different county. 

2b.  1880 Census Images (online at Ancestry.com, Image #1 of 44, which is so faded, it's unreadable; online at Genealogy.com, Image #1 of 28, which is partly readable):  Perry Twp., Snyder Co., PA, Roll 1194 (Book 2), p. 134A, PN 1, SD 7, ED 153, enumerated 14 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

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4

5

6

8

9

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13

24

25

26

1

1

Haas John W

W

M

24

/

School Teacher

?

?

?

____ Elizabeth

W

F

27

Wife

/

?

?

?

____ Rebeca

W

F

77

/

Keeping house

?

?

?

Westin? Philip

W

M

22

/

Works on Farm

?

?

?