1.  Marriage Record:

2.  1860 Census Index/Images (online at Genealogy.com):  can't find, and I did a page-by-page search of Charleston Twp., Coles Co., IL.

3a.  1870 Census Every-Name Index/Images (online at Ancestry.com):  can't find, and I really searched.

3b.  1870 Census Index/Images (online at Genealogy.com, Image #118 of 346):  Cincinnati (Ward 15, North ½), Hamilton Co., OH, p. 438B, PN 116, 640/703, enumerated 16 Jun 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):

Wm J Dunnam	45	M	W	Tobacco Merchant	16000	10000	New York
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Dunnam Malvina	37	F	W	Keeping House		1200	Kentucky
______ Frank	14	M	W	at School			Ohio
______ Augusta	15	F	W	at School			Illinois
Welsh Hannah	24	F	W	??? Servant			Ireland

Malvina (SULLIVAN) DUNHAM is Sarah Ann's sister; Malvina and her husband, Warren Jerome DUNHAM, adopted Augusta.

3c.  1870 Census Index/Images (online at Genealogy.com, Image #7-8 of 50 — indexed "Gillie"):  Covington P.O., Covington (Ward 2), Kenton Co., KY, Roll 478 (Book 1), p. 4A-4B, PN 37-38, 235/293, enumerated 8 Jul 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):¤•

Sullivan Montville?	42	M	W	Tobacco Broker	30,000	15,000	Kentucky
________ Leonora	31	F	W	Keeping House			Ohio
________ George	10	M	W	At Home			Ohio
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Sullivan Jennie	7	F	W	At Home			Ohio
________ Ella	5	F	W				Kentucky
Straube Gillis/Gillie	13	F	W	Going to School			Illinois
Sullivan Randolph	79	M	W	At Home			Virginia
Murphy Mariah	19	F	W	Domestic			Ireland

Randolph SULLIVAN is Sarah's father and Montraville V. SULLIVAN is her brother.

4.  1880 Census (indexed at FamilySearch.org; page image online at Ancestry.com, Image #52 of 63):  93 Third Street, Covington, Kenton Co., KY, T9-0425 (Book 1), p. 319D, PN 52, SD 4, ED 4, enumerated _ 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

24

25

26

448

449

Holliday Joseph

W

M

29

/

Bookkeeper

O

O

O

________ Augustus

W

F

25

Wife

/

Housekeeper

Ill

Ky

Ky

________ Frank

W

M

5

Son

Ky

O

Ill

________ Mildred

W

F

2

Dau

Ky

O

Ill

Stroube Augustus

W

M

51

Father

/

Carpenter

Ky

Ky

Ky

_______ Gillie

W

F

23

Dau

/

At Home

Ill

Ky

Ky

Anderson Fanny

B

F

18

Servant

/

Servant

Ky

Ky

Ky

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

6.  Messages in the Sullivan Family Genealogy Forum (online at GenForum.com).

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