1.  LDS.  Family Search: Internet Genealogy Service:  IGI - International Genealogical Index (online at FamilySearch.org):

Eugene A. WEILER Spouse: Josephine STRAUB Marriage: 04 May 1868, Butler, Ohio Source: Marriage Records, 1803-1930. Ohio. Probate Court (Butler County)

2.  1870 Census Index/Images (online at Genealogy.com, Image #62 of 62; online at Ancestry.com, Image #62 of 283):  Hamilton P.O., Hotel, City of Hamilton (Ward 1), [St. Clair Twp.,] Butler Co., OH, Roll 1176 (Book 1), p. 62B, PN 62, enumerated 23 Jun 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

1870:  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

15

19

492

516

Weiler Eugene A

25

M

W

Hotel Keeper

15000

4000

Pennsylvania

/

/

/

______ Josephine

24

F

W

Land Lady

Ohio

/

/

______ Lillian C

1

F

W

At home

Ohio

Straub Eve

45

F

W

Ass't Landlady

Baden

/

/

______ Pauline

17

F

W

At home

Ohio

/

/

______ Eve

11

F

W

Attending School

Ohio

/

/

/

______ Phaddus

77

M

W

Living with Daughter

5000

Wurtemberg

/

/

/

Krieg Barbara

66

F

W

Without Occupation

4000

700

Baden

/

/

16 other staff and guests…

Eve STRAUB is Josephine's mother — she is Thaddeus's daughter-in-law, not his daughter.  Barbara is Eve's mother.

5.  1880 Census (indexed at FamilySearch.org; page image online at Ancestry.com, Image #1 of 53):  1 Main Street, Hamilton (Ward 1), Butler Co., OH, Roll 997 (Book 1), p. 326A, PN 1, SD 3, ED 33, enumerated 1 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

11

13

21

24

25

26

*

1

1

1

Straub Eva

W

F

54

/

Hotel Keeper

Baden

Baden

Baden

______ Pauline/Paulina

W

F

26

Dau

/

Music Teacher

Ohio

Wurtemburg

Baden

______ Eva

W

F

21

Dau

/

At Home

Ohio

Wurtemburg

Baden

Weiler Josephine

W

F

33

Dau

D

Teacher of Elocution

Ohio

Wurtemburg

Baden

______ Stella

W

F

11

Granddau

/

At School

/

Ohio

Penn

Ohio

______ Eva M

W

F

9

Granddau

/

At School

/

Ohio

Penn

Ohio

Kaltenbach Barbara

W

F

76

Mother

/

Baden

Baden

Baden

Riley John F

W

M

26

/

Hotel Clerk

Ohio

Ohio

Ohio

[8 staff and guests]

*Main Street

Is "Stella" in 1880 the "Lillian C." in 1870?