The Caleb Noell you refer to is the son of James Noell and Elizabeth Evans.He m. Elizabeth Garnett.They were in Essex Co. Virginia.
There are several possibilities for Ann/Nancy Noell in Oglethorpe.The family of Thomas Noell and Mary Drucilla Sellars was in Cumberland Co.They had daughter(s) named Ann and Nancy (or they could be one and the same) b. 1773 and 1775.I have no spouse for either.Thomas and his wife moved from Cumberland co. VA to Kentucky. Thomas' brothers Robert and John moved to Oglethorpe from Cumberland.Robert had daughters Mary, Elizabeth and Frances.John had daughter Elizabeth.Possibly one or both had daughter Ann/Nancy.
Thomas, Robert and John were sons of John Noell (1721-1776) and 2nd wife Anne Garnett. They were in Cumberland VA/