
Eric Bergland was a Swedish-born American military officer. The son of religious refugees that brought him from Sweden to the United States, he fought in the American Civil War as a volunteer officer, graduated from West Point at the top of his class, served his adopted country with distinction as an officer of the regular army, a professor of his Alma Mater, and a Western explorer, and married a cousin of the wife of president Rutherford B. Hayes.

Oscar Broady (1832–1922), was a petty officer in the Swedish navy who emigrated to the United States. During the Civil War he rose to the command of a brigade in the Union Army. After returning to Sweden as a Baptist missionary, he became the first president of the Swedish Baptist Bethel Seminary.

Augustus Forsberg (1832-1910) was a Swedish military engineer who emigrated to the United States in 1855. First settling in Charleston, South Carolina, he had strong sympathies for the Southern cause. When the Civil War began, he joined the Confederacy and was commissioned lieutenant in the regular Confederate army 1861. Attached to the 51st Virginia Volunteer Infantry, he was elected its lieutenant colonel when the regiment was reorganized in the spring of 1862. Subsequently, promoted to its colonel, he commanded a brigade at the end of the war. Wounded at Winchester 1864, he became a prisoner-of-war at Waynesboro 1865. Released, he ventured to Lynchburg, Virginia, to marry the woman he had met as a convalescent. They settled and made a family in the town, and Forsberg served as its city engineer for over twenty years.

Carl Jacob Hammarsköld (1833–1884), also known as Charles J. Hammarskold, was a member of the prominent Hammarskjöld family, who in 1850 followed his father to the United States. He became an ironmaster and U.S. Postmaster in North Carolina. When the American Civil War began, he was commissioned in the Confederate States Army, resigning as lieutenant colonel after the Seven Days Battles. Hammarsköld returned to his old homeland in 1863, where he made a successful, albeit short, career as a railwayman, dying at the age of 50.

Hans Mattson was a Swedish American politician. He served with distinction as a colonel in the American Civil War (1861–65) and in 1869 became the Minnesota Secretary of State. He later served as United States Consul General in India.

Charles J. Stolbrand, was a sergeant in the Swedish artillery who emigrated to the United States, becoming a brigadier general in the Union Army during the Civil War, and a politician in South Carolina after the war.

Ernst Mathias Peter von Vegesack was a Swedish Army officer and volunteer in the Union Army during American Civil War and later on was a member of the parliament of Sweden. After his return to Sweden, he was awarded the brevet grade of Brigadier general of volunteers and in 1893 he received the Medal of Honor for bravery in the Battle of Gaines's Mill.