In case anyone is interested, here is my g.g.grandmother Isabella Jane McDowell's line(mainly her mother's side). If anyone has any info on Henry McDowell's line I would greatly appreciate it. All I know is that John McDowell married Barbera Elizebeth Henry and came to this country from Ireland on the ship, "Margaret".:
III.Henry McDowell-(B12/27/1797) -m-(1/2/1820) Dorcas Foster--(B.1/26/1796) issue: 1.Adeline A. McD.--(B.7/17/1821) 2.Nancy C. McD.----(B.2/10/1824) 3.Catherine R. McD.(B.12/23/1825) *4.Isabella J. McD.(B.6/21/1830-D.1874) 5.Henry Foster Mcd.(B.8/29/1832).He was a Major in the Confederate Army.
IV.Isabella Jane McDowell(B.6/21/1830-D.1874) -m- John Warren White(He was a Lieutenant in the Palmetto Sharp-Shooters, S.C. Vol's., C.S.A. Killed in 1864. I hope this info ws of use to someone. Take Care, Dave