Joel Callahan ( Callahan 1067) was born 1754 Pittsylvania Co VA ( it had to be Halifax in 1754) and died in 1847 Spartanburg SC. He has a proved wife - Sarah - and two proved children - Catherine ( who married Robert Compton) and John ( who supposedly went to Louisiana). he lived in Spartanburg, Pendleton and Spartanburg.
Joel is supposed to be a son of David Callahan and agrandson of Nicholas Callahan. He is reported to have had three brothers: William, John, David.
Joel is connected to two Callahan men: John ( who could be a brother) and Gershom ( spelling is variable), Gershom is young enough to be his son.
Joel, definitely, has Compton descendants. His Callahan descendants have not been proved. yet.