MARY ANN HOPPE OF ROGERS, AR RESEARCHING HOWARD FAMILY

I am researching the Thomas HOWARD family. Thomas is the earliest HOWARD I have located, he was born Nov 15, 1758, don't know where.He married Elizabeth ARMSTRONG on MAR 17, 1783 in Mifflin, PA.They had 9 children: William b Dec 25, 1783; Alexander b Dec 24, 1785; Edward b Nov 10, 1787;Sidney (female) b NOV 5, 1795; Robert Armstrong b Nov 10, 1798; Richard Montgomery Williams HOWARD b APR 8, 1801; and 3 who died as infants.I am trying to find Thomas and Elizabeth's parents and birth places.I have hundreds of descendants from these 9 children, and will be happy to share.Thomas HOWARD diedMay 25, 1825 in Grand Rapids, Wood, OH.
I am also researching the following families: BOWMAN, SEARLES, HOPPE, GREENWOOD, ADAMS, HART, ARMSTRONG.