There were many orphans left in the wake of the Civil War.  Is Martha adopted?  Or did the 1860 census enumerator simply miss her? 

1.  Marriage Record:

2.  1850 Census Every-Name-Index/Images (online at Ancestry.com, Image #25 of 83):  America, Barnwell Dist., SC, Roll M432_849, p. 444A, 1928/1928, enumerated 23 Oct 1850, official enumeration date 1 Jun 1850 (extracted by Diana Gale Matthiesen):¤-

James Harvey	29	M		Planter	500	So Ca
Sarah	19	F				"
Haseltine	9/12	F				"

Listed two households from James's father, Absalom HARVEY, Sen. (æ 65, b. SC; planter, widower).

3.  1860 Census Every-Name-Index/Images (online at Ancestry.com, Image #311 of 335):  Buford Bridge P.O., Barnwell Co., SC, Roll M653_1213, p. 495B, PN 60, 461/461, enumerated 16 Aug 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):-

James M Harvey	33	M		Overseer		300	So Ca
Sarah C    "	25	F					"
Marilla    "	8	F					"
Martin L   "	4	M					"

Where's Martha?  Listed two households from James's father, A. HARVEY (æ 68, b. SC; wealthy planter, widower).

4.  1870 Census Every-Name-Index/Images (online at Ancestry.com, Image #22 of 47):  Allendale P.O., Allendale Twp. No. 2., Barnwell Co., SC, Roll M593_1483, p. 41B, PN 22, 183/183, enumerated 17 Aug 1870, official enumeration date 1 Jun 1870 (extracted by Diana Gale Matthiesen):-

Harvey James M	45	M	W	Farmer	1000	440	Sc Ca
______ Sarah	35	F	W	Keeps House			"
______ Martha	13	F	W	Farm Hlp			"

Now, where's Martin?  This is the only Martha HARVEY in Barnwell County, and the only Martha HARVEY born ca. 1857 in all of South Carolina.  Listed next to married daughter, Rilla (HARVEY) SULLIVAN.

5.  1880 Census Every-Name-Index/Images (online at Ancestry.com, Image #20 of 53):  Allendale Twp., Barnwell Co., SC, Roll 1220, p. 10D, PN 20, SD 2, ED 22, enumerated 9 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).

2

3

4

5

6

8

9

10

13

22

23

24

25

26

165

Harvey Sarah

W

F

50

/

Farmer

Sc

Sc

Sc

______ Martin

W

M

25

Son

/

laborer

Sc

Sc

Sc

Sulivan James

W

M

11

GSon

/

laborer

/

/

Sc

Sc

Sc

Although Sarah's marital status (Column 10) indicates she is married, not a widow, I can't find James, at least not in SC.  James SULIVAN is son of their daughter, Marilla (HARVEY) SULLIVAN.  Can't find Martha.  Did she marry someone else, before she married Reuben CORBIN?

6.  1890 Census:  the 1890 Census Population Schedules were destroyed.

7.  1900 Census Every-Name-Index/Images (online at Ancestry.com):  not found.

9.  Public Member Trees (online at Ancestry.com):  has James M. HARVEY as son of Absalom & Ester HARVEY of Barnwell Co., SC.