Some sources say these are Mary's parents, but they did not marry until late in 1823, which would mean Mary would have been only 11 years old when she married Joseph.
Father not:  John MASHBURN
Mother not:  Mathilda SCOTT

1.  Family Group Sheet compiled by Betty Ann (Matthiesen) Cogliati and her grandmother, Maude Irene (Thompson) Rose.

2.  James Lynn Parham.  1998.  An Alabama Rose Garden: the Rose Family of Lauderdale and Limestone Counties.  Gateway Press, Baltimore, MD.

3.  Anon.  1998.  "Margaret Elizabeth (Gibson) Rose Thompson." Rose Family Bulletin, vol. XXXIII, no. 129, p. 4207 (with photo).

4.  Joseph Gibson's 1888 voter registration in Monterey Co., CA, says he was b. 1813 in Tennessee.

5.  Census Index:  U.S. Selected Counties, 1840 (Broderbund CD-316):

1840

Gibson, Joseph

AR

Madison Co.

Wonagle (sic) Twp.

p. 36

[Make that War Eagle Twp.]

6.  1850 Census:  Kings River Twp., Madison Co., AR, 377/377 (online at the Madison County ARGenWeb site):

Joseph Gibson	37	farmer	TN
Julia	14		TN
Margarett	12		TN
William	10		AR
John	8		AR
Samuel (twin)	7		AR
Mary (twin)	7		AR
Thomas	4		AR
George	3		AR
Jasper	6/12		AR

Listed three households from John Mashburn (æ 52, b. NC)  — Mary MASHBURN's older brother? her father?; two households from the family of Ewing & Emeline McCRACKIN and six households from the family of John & Mary McCRACKIN — parents of Mary GIBSON's future husband? 

7.  1860 Census:  Kings River Twp., Madison Co., AR, Family #800 (extracted by Larry Kuttner and by Joe Mashburn):

Joseph Gibson	47	TN
Julia	23	TN
William A.	20	AR
Samuel	16	AR
Mary A.	16	AR
Thomas J.	14	AR
George L.	12	AR

Listed two households from William GIBSON (æ 52, b. TN) — brother of Joseph?

8.  1870 Census:  Madison Co., AR, 107/112 (extracted by Larry Kuttner):

Gibson, Joseph	57	M	W	farmer	TN
Gibson, Mary	48	F	W	keeping house	TN
Basham, Samuel	12	M	W	at school	AR
Basham, Mary E.	10	F	W	at school	AR
McCracken, Mary	26	F	W	keeping house	AR

9.  1880 Census:  Madison Co., AR, 196/200 (extracted by Larry Kuttner):

Gibson, Joseph	W	M	66		farmer	TN
Gibson, M.A.	W	F	53	wife		TN
McCracken, Mary	W	F	35	dau.	housework	AR	fever
Basham, M.E.	W	F	20	stepdau.	housework	AR
Keene, Joseph	W	M	10	nephew	farm labor	AR

10.  Archives of the MASHBURN-L mailing list (online at RootsWeb.com).

11.  Emails from Larry Kuttner.

12.  Emails from Joe Mashburn.

13.  Email from Donna Stang.

...[Joseph Gibson was] b. may 13, 1813   d. May 18, 1895  Bradley, Monterey County, Ca, he is buried at the San Lucas Cemetery, in San Lucas, just down the road from Bradley.