Francis Adams' grandson John Adams

I am searching for the parents of John Adams born 1815 in NC (county unknown).He died 1872 Leake County, MS.

From my research I know without doubt he is a descendant of Francis Adams, Sr. born ca. 1740 in Ireland and arrived in Charleston, SC 1772.He settled in York County, SC where he died in 1825.But, I have not been able to determine which one of Francis' sons or grandsons moved to North Carolina and is John's father.

The noted Francis Adams, Jr. born 1763 in Ireland and died 1846 in Noxubee County, MS and his son Abraham Adams born 1791 in SC and died 1869 in Noxubee County, MS are descendants of the above Francis Adams.Also, related to my John Adams, but I do not know the tie.

I will be glad to share the research that brought me to these conclusions.

I will appreciate hearing from you with any facts, fiction, rumors or helpful hints.

Thank you,