I am also researching the Thomas James Long family of Lexington, South Carolina and Chickasaw County, Mississippi.
My grandfather, Richard Metts Gann, told the story also of his grandfather "Pappy" Long (David Archibald Long) burying his brother during the War Between the States. However, he mentioned that it was in Georgia where his brother was killed. That must have been a horrible experience burying your own brother. I am trying to trace the Long family back. Does anyone have any South Carolina information on the marriage of Thomas J. Long and Martha Parke??? Can this be proven??? Wills, etc.??? Also, Thomas' father was a William Long who married Elizabeth Broom. I would like to share family information.