1.  Allen L. Potts.  Marion County, Ohio, Probate Court Marriage Records, Vols. I-XII, 1824-1902 (online at Heritage Pursuit):

Augenstine, John P. - 22

Straub, Dilla - 22

5/17/1894

Rev. S.S. Wagner

2.  1900 Census Index/Images (online at Genealogy.com, Image #15 of 19):  Waldo Twp., Marion Co., OH, Roll 1302 (Book 1), p. 297A, 168/174, enumerated 16 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	10	11	12	13	14	15	19	20	22	23	24	25	26	27	28
168	174	Augenstein, John	Head	W	M	Jul 1872	27	M	5			OH	OH	OH	Farmer	0	Y	Y	Y	O	M	F	87
		__________, Dilla	Wife	W	F	May 1873	27	M	5	2	1	OH	OH	OH			Y	Y	Y
		__________, Hellen	Dau	W	F	Aug 1897	2	S				OH	OH	OH			Y	Y	Y

3.  1910 Census Index/Images (online at Genealogy.com, Image #17 of 14, mis-grouped in Tully Twp., image totally unreadable; online at Ancestry.com, Image #1 of 21, easily readable):  Waldo Village, Waldo Twp., Marion Co., OH, Roll 1213 (Book 1), p. 279A, PN 1A, SD 12, ED 134, enumerated 15 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

9

10

11

12

13

14

17

18

19

20

23

24

25

26

27

28

6

6

Augenstein John P

Head

M

W

38

M1

14

OH

OH

OH

Eng

Liveryman

Own Barn

OA

Y

Y

O

F

H

__________ Dilla D

Wife

F

W

36

M1

14

3

2

OH

OH

OH

Eng

None

Y

Y

__________ Helen G

Dau

F

W

12

S

OH

OH

OH

Eng

None

Y

Y

Y

__________ Josephine E

Dau

F

W

11/12

S

OH

OH

OH

None

4.  Paul J. & Barbara Midlam.  1985.  Marion County, Ohio, Cemetery Inscriptions (online at Heritage Pursuit):

AUGENSTEIN, Hazel Fern

d/o J.R. & Dilla d Apr 22 1898 Aged: 3y 5m 19d

Waldo [Cemetery]

Waldo [Twp.]

It's J.P., but a worn tombstone is easily misread.

5.  J. Wilber Jacoby.  1907.  A History of Marion County, Ohio, and Representative Citizens.  Biographical Publ. Co., Chicago, IL (online at Heritage Pursuit).  There is a brief mention of J.P. AUGENSTEIN in the "Waldo" section of Chapter VII:

The village was incorporated by a special act of the Legislature in February, 1845, and in May following, Judson A. Bebe was elected mayor; John J. Jacobs, recorder; and John Porterfield, Andrew Straub, Jasper Partridge, John Byers and Chancy Lewis, trustees.  The present officers of the village are W.E. Selanders, mayor; J.P. Augenstein, clerk; J.D. Bower, treasurer, and J.L. Shroats, marshal.

Andrew STRAUB is Dilla's grandfather.  Also see biographical sketch of Dilla's brother-in-law, Robert S. DOMBAUGH.