Part VI: The Agrarian Expansion and 19th-Century Dominance

By the early nineteenth century, the Poston family had thoroughly integrated into the social, economic, and political fabric of the South Carolina lowcountry and the Pee Dee backcountry. The fourth and fifth generations transitioned the family from rugged frontier pioneers into established agrarian elites and regional community organizers.

The Era of Hugh Poston and the Great Pee Dee Bottoms

The primary conduit for the family's massive demographic and geographical expansion in the nineteenth century was Hugh Poston (August 27, 1791 – December 27, 1846).²³ Born in the Marion District to Anthony Poston and an unknown mother (historically recorded in some tertiary texts as Elizabeth), Hugh represents the critical fourth generation of the American lineage.²³

Hugh Poston married Ann (Nancy) Lawson, and together they cultivated a sprawling agrarian enterprise along the highly fertile but logistically challenging Great Pee Dee bottoms in the community of Hannah, South Carolina.⁴ The family was remarkably prolific, a common and necessary trait for agrarian dominance in the antebellum South. Hugh and Ann raised eleven children, including prominent sons who would carry the lineage forward: Reddick, Benjamin Durham, Andrew, Hugh II, Simon, and Daniel, alongside daughters such as Elizabeth.²³

This demographic explosion ensured that the Poston surname would become virtually ubiquitous across Marion, Florence, and surrounding counties. The economic viability of Hugh’s operation relied upon the intensive agricultural practices typical of the era,

navigating the complex seasonal floods of the river to produce staple crops that fueled the local port economy at Ellison.⁴

Andrew Poston: The Architect of the Modern Settlement

Of Hugh’s eleven children, none left a more indelible or permanent mark on the physical geography of the region than his son, Andrew Poston (1829 – October 1916).⁴ If the preceding generations were defined by transatlantic migration, wilderness survival, and agrarian land acquisition, Andrew’s life was entirely defined by infrastructure advocacy and civic engineering.

Andrew Poston’s early life was marked by the intense socio-political fractures of the mid-nineteenth century. He served as a soldier in the Confederate army during the American Civil War, surviving the catastrophic conflict to return to the Pee Dee region.¹³ In the post-bellum era, as the Southern economy struggled to reconstruct itself, Andrew recognized a fundamental economic truth: the future of regional prosperity lay not in the unpredictable river currents of the Pee Dee, but in the iron grip of the expanding railroad networks.

As a prominent land-owning farmer noted for his exceptional memory, robust vitality, and wide-ranging civic influence, Andrew utilized his massive landholdings to entice rail developers to the town of Ellison.⁴ As detailed in Part II of this report, his successful negotiation of the 1914 depot deal directly led to the establishment of the CSX predecessor siding. This act of private diplomacy caused the railroad corporations, and subsequently the town itself, to adopt his family name.⁴ The fact that a single individual could negotiate the renaming of a centuries-old river port speaks volumes about the concentration of capital and influence held by the Poston family in Florence County during the early twentieth century.