- Hugh Calvert: The O'Hara's neighbor, owner of "Pine Bloom" plantation.
- The second Mrs. Calvert: A Yankee governess, Hugh Calvert married her after his first wife died.
- Raiford Calvert: Hugh's eldest son who dies at The Battle of Gettysburg.
- Cathleen Calvert: Scarlett's friend before the war, she marries the Calvert plantation's Yankee overseer Mr. Hilton for financial reasons.
- Cade Calvert, Cathleen's brother.