Do no tknow if you are still doing this but thought I would try!!
ALfred Allen listed in 1830 in TN Sevier Co. His son James M Allen (b TN 1830) was my g-g-grandfather. Other Children Wm. b 1833 in TN. Katherine/Catherine b 1836 AL, George (Gabriel??) b 1838 in AL. Albert/Alfred b 1842 MS, Joseph b 1844 MS. Mary/Mollie b 1848 MS. (They lived in Chickasaw and Loundes Co in MS.)
Any info helpful.
Also a David Allen in Morgan Co., GA -possible daughter Mary who married a Wiley Register and later moved to Putnam Co., GA.