From the information Hugh gave you on the 1860 census, with 12 years difference in ages you might consider whether Emanuel and John might be brothers, if so, here is an Emanuel with parents and family on the 1850 census.
1850 census Edgefield Co, SC pg 180 B:
Whittle, Ambrose, 52, b SC, land 1750
" Rebecca, 56, b SC
" Elizabeth, 20, b SC
" Wesley, 18, b SC
" Emanuel, 15, b SC
" Mary A., 12, b SC
Same page Amos 35, with wife and children.
Since Ambrose owns land, I would check out land and probate records, see what happens to that land.Heirs will have to sign off to give clear title to next buyer.See if John shows up as an heir, too.
On previous sheet, page 180 A:
Whittle, John, 28, b SC - no land shown
" Belinda[sic], 30, b SC
" William, 8, b SC
" Jacob, 6, b SC
" Tillman, 4, b SC
" Daniel, 3, b SC
" Susannah, 1, b SC
Whittle, James C., 60, b SC - no land shown [living alone - and I cannot read occupation, almost looks like Milks.]
Same page just above John is a Mark B., 30, with wife and children, with one named Ambrose.
Now, there is another Emanuel on that 1850 census, (popular name in the family?) but his age is not as close to a match.
Whittle, James M., 60, b SC land 4000
" Nancy, 56, b SC
" Frances (?), 17, b SC
" Emanuel, 20, b SC
" Malachi, 18, b SC
Washington, E.M., 12, b SC
There are many Whittle families on this 1850 census, I would say they have been in SC for some time, too.Most of them live within 10 pages of each other, so probably pretty clanish, travel together, too???
You might try locating a county history, I betcha some of them Whittles will at least be mentioned.
Have you tried some searches on the Whittle family forum?I tried Edgefield, and wow there are a bunch of people researching Whittles in Edgefield Co, SC.Where it says Search This Forum, type in any word you would like to use.Less common given names sometimes will work, too, did for me on the Yates Forum.
Happy Hunting (^_^)