Index: Adams Family Correspondence, Volume 12, O

• Odiorne, Mary Grindall (wife of Nathaniel)
• Odiorne, Nancy (daughter of Nathaniel)
• Odiorne, Nathaniel (of Unity, N.H.)
• Oglio River
• Old House (Peacefield, now Adams National Historical Park)
• Olmütz, Austria
• Orangist Party (also Court Party; Dutch)
• Orkney, Scotland
• Orléans, Louis Philippe Joseph, Duc d’ (Philippe Égalité)
• Orne, Rebecca Taylor (wife of Timothy)
• Orne, Timothy, Jr. (Salem merchant)
• Otis, Elizabeth Gray (1st wife of Samuel, Sr.)
• Otis, George (son of Samuel, Sr.)
• Otis, Harriet (daughter of Samuel, Sr.)
• Otis, Harrison Gray (Mass. representative)
• Otis, Mary Ann (daughter of Samuel, Sr.)
• Otis, Mary Smith Gray (wife of Samuel, Sr.)
• Otis, Samuel Allyne, Sr. (1740–1814, secy. of the Senate)
• Ottoman Empire
• Overton, Thomas (N.C. revenue inspector)