1.  Jordan R. Dodd, ed.  1993.  Kentucky Marriages:  Early to 1850.  Liahona Research, Orem, UT (Broderbund CD-229):

Hightower, A.J.

Grumbley, Annie

5 Jan 1843

Todd Co.

2.  1850 Census Index/Microfilm (online at GenealogyLibrary.com):  District No. 1, Todd Co., KY, p. 204, 139/140, 29 Jul 1850 (extracted by Diana Gale Matthiesen):

A.J. Hightower	28	M	Farmer	1?0	Ky
Ann	31	F			"
Josephine	5	F			"
John	4	M			"
Susan	3	F			"
Mary	3/12	F			"
Susan Grumbley	28	F			"

Next door to Andrew's father, Abijah HIGHTOWER.  Susan GRUMBLEY is probably Ann's sister. 

3a.  Census Index:  U.S. Selected Counties, 1860 (Broderbund CD-318):

1860

Hightower, A.J.

KY

Todd Co.

Elkton P.O.

p. 719

3b.  A record from the 1860 Todd County, Kentucky, Federal Census (online at the HIGHTOWER Surname Page at the Todd County KYGenWeb site):

Household 336 -336, HIGHTOWER  A.J., 35, m, w, farmer, 400, 350, Ky  Ebaline, 24, f, w, Ky  Robert, 4, m, w, Ky  Frank, 3, m, 2, Ky  Mack, 1, m, w, Ky  Hosephine, 16, f, w, Ky  S.A., 13, f, w, Ky  E., 8, f, w, Ky  Mary, 10, f, w, Ky

3c.  HIGHTOWER in the 1860 Federal Census (extracted by Steve Martonak and online at his HIGHTOWER Genealogy and Family Roots> web site [link died]):

(written)Page No: 49			Township:				County: Todd				State: KY
Date: 02 Jul 1860					Asst Marshall: R F ALISON
Post Office: ELKTON				Dwelling No: 336		Family No: 336			Page No: 719
A	B	C	D	E	F	G	H	I	J	K	L	M N
HIGHTOWER	A J	36	M	.	Farmer	400	350	KY	.	.	.	.
HIGHTOWER	Ebaline	24	F	.	.	.	.	KY	.	.	X	.
HIGHTOWER	Robert	4	M	.	.	.	.	KY	.	.	.	.
HIGHTOWER	Frank	3	M	.	.	.	.	KY	.	.	.	.
HIGHTOWER	Mack	1	M	.	.	.	.	KY	.	.	.	.
HIGHTOWER	Josephine	16	F	.	.	.	.	KY	.	.	.	.
HIGHTOWER	S A	13	F	.	.	.	.	KY	.	.	.	.
HIGHTOWER	E	8	F	.	.	.	.	KY	.	.	.	.
HIGHTOWER	Mary	10	F	.	.	.	.	KY	.	.	.	.
Neighbors: SULLIVAN, MOBLEY, JONES, JONES, STOKES
HIGHTOWER, HIGHTOWER, HIGHTOWER, RUDD, RUDD, FRANCIS
Notes: 'MACK' IS POSSIBLY 'HACK'

4.  WorldConnect (online at RootsWeb.com).