Charles I hope you are still out there as your post was made some time ago.
I have some old Eldridge documents and here is some info.
I have Calvin Eldridge,b. August 26, 1821 with no other info on Calvin (Wife?, etc).
Calvin was, in fact son of John Eldridge, b. C1774, near Knoxville, TN (then SC)married Polly Gilliland.
John was son of Simeon and he son of George Eldridge, b. 1710 England. He came to America with brother William in
1735 and settled in New England. George moved to Eastern TN in 1740 (then SC). They had a falling out and William changed his name from Eldridge to Eldrige (d dropped) and remain in New England and family manuf. Eldrige Sewing machines.
Glad to share and would apprecicate the more recent info you may have on Calvin's line.
N Brown