You said:
No records are microfilmed pre-1851 except for the Will books and some vital records. No other probate records for this county are pre-1851!!

I am not personally familiar with these records, and it will be tedious checking them for sure.....but the indices say:

Annual returns, 1824-1905
Bonds, 1831-1957
Probate records 1831-1956, Monroe County, Georgia
Wills, 1824-1958 Georgia. Court of Ordinary (Monroe County)

Tax digest, 1834, 1841, 1843-1844, 1847, 1849, 1851 Monroe County (Georgia). Tax Receiver
Tax digests, 1828-1883 Georgia. Court of Ordinary (Monroe County)

Deeds, 1822-1901; index to deeds, Superior Court (Monroe County)