Stephen Arne Decatur Greaves Sr. (January 30, 1817 - November 17, 1880) was an American army officer, plantation owner, lawyer, and Democratic politician.

[1] Stephen Arne Decatur Greaves was born on January 30, 1817, in Marion County, South Carolina.

[2][3] He served as an officer in the Mexican War, ending his service as a Brigadier General.

[4][1] After the war, he married Sarah Lowe around 1850 and moved to her 10,000-acre plantation, named "Sunny Place", in Madison County.

[5] Before the American Civil War, they owned 600 slaves that worked on the plantation.