Duncannon Plantation - Barnwell County South Carolina SC

Duncannon Plantation – Snelling – Barnwell County

Basic Information

  • Location – Snelling, Barnwell County

    728 Duncannon Road (3)

  • Origin of name – Named for Duncan's ancestral home in Scotland

  • Other names – Melrose; Walker

  • Current status – Privately owned and operated as a special events venue (5)


  • 1802 – Earliest known date of existence when founded by Joseph Harley (3).

  • 1835 – House built by Colonel Billy Duncan who had married Joseph Harley's daughter Harriet (2, p. 8B) (3) (4).

  • 1860s – Lore suggests the house was spared by Sherman's troops because a woman and sick child were resting in a bedroom upstairs (4).

  • 1911 – The house was a boarding house (2, p. 8B).

  • 1930s – George Herbert Walker, grandfather of President George Herbert Walker Bush (41), purchased the plantation. President Bush used to visit his grandfather at Duncannon as a child (2, p. 8B).

  • Early 1940s – Walker moved out of the house leaving it to a friend and fully furnished (2, p. 8B).

  • ? – Walker's friend then gave the plantation to his hunting club (2, p. 8B).

  • 1952 – Thomas S. "Sandy" and Suzanne Wilson McMillan purchased the house when most of the land was sold to the United States government for construction of the Savannah River Site (2, p. 8B).


  • Number of acres – 756 in 2016 (3)

  • Primary crop – Cotton (4)


  • Alphabetical list – Colonel Billy Duncan; Easterling; Joseph Harley (1802-?); Thomas S. "Sandy" and Suzanne Wilson McMillan (1952-?); George Herbert Walker (1930s-early 1940s)


  • Number of slaves – ?

    We are actively seeking information on the slaves who lived and worked at this plantation. If you find a resource that might help, please fill out this form. Thank you.


  • House is a wooden structure with approximately 4,200 square fee. There is also a guest house on the property (3).

References & Resources

  1. 30-15 Plantation File, held by the South Carolina Historical Society

  2. Philip Lord, President-Elect Has Ties With Area Through Duncannon Plantation, (Aiken, SC: Aiken Standard Newspaper, December 8, 1988)

  3. Real Estate Listing - includes photos

  4. History From The Ground Up

  5. Duncannon Plantation, Special Events


  • Duncannon Plantation
    728 Duncannon Road
    Barnwell, SC 29812

    Website: Click here

SC Plantation Inns
SC Plantation Tours
SC Plantation Pictures
SC Plantations by Place
SC Plantation Weddings

Abbeville County
Aiken County
Allendale County
Anderson County

Bamberg County
Barnwell County
Beaufort County
Berkeley County

Calhoun County
Charleston County
Cherokee County
Chester County
Chesterfield County
Clarendon County
Colleton County

Darlington County
Dillon County
Dorchester County

Edgefield County

Fairfield County
Florence County

Georgetown County
Greenville County
Greenwood County

Hampton County
Horry County

Jasper County

Kershaw County

Lancaster County
Laurens County
Lee County
Lexington County

Marion County
Marlboro County
McCormick County

Newberry County

Oconee County
Orangeburg County

Pickens County

Richland County

Saluda County
Spartanburg County
Sumter County

Union County

Williamsburg County

York County

Flower photographs by Virginia Saunders, Columbia, SC. Please click flower for more info.


Are you able to correct
an error?
Please click here.

is maintained as a public service by

South Carolina

Home Edit Info Contact

HomeCorrect InfoSearchContact