James Fisk, born April 1, 1835
Thaddeus Stevens, born April 4, 1792
Dorothea Dix, born April 4, 1802
Dorothea Lynde Dix was born April 4, 1802, in the town of Hampden, Maine. She was 59 years old when the Civil War began.
Claiborne Fox Jackson, born April 4, 1806
Claiborne Fox Jackson, one of ten children of Dempsey Carroll and Mary Orea "Molly" (Pickett) Jackson, was born in Fleming County, Kentucky, where his father was a wealthy tobacco farmer and slaveholder. He was 55 years old when the Civil War began.
Robert Smalls, born April 5, 1839
Robert Smalls was born in 1839 into slavery, in a cabin behind the house of his master John McKee in Beaufort, South Carolina. He was 22 years old when the Civil War began.
Charles W. Field, born April 6, 1828
Charles William Field was born at the family plantation, "Airy Mount," in Woodford County, Kentucky. He was 33 years old when the Civil War began.
William R. King, born April 7, 1785
William Rufus DeVane King was born in Sampson County, North Carolina, the second son of William King and Margaret DeVane. He died 8 years before the Civil War began.
Anderson Abbott, born April 7, 1837
Anderson Ruffin Abbott was born in Toronto, Canada, the son of Wilson Ruffin Abbott and and Ellen (Toyer) Abbott. He was 24 years old when the Civil War began.
Alexander Kelly, born April 7, 1840
Allen Allensworth, born April 7, 1842
Lew Wallace, born April 10, 1827
Henry Villard (Heinrich Hilgard), born April 10, 1835
Elmer Ellsworth, born April 11, 1837
Mary White Ovington, born April 11, 1865
Mary White Ovington was born in Brooklyn, New York a few days before the assassination of President Abraham Lincoln. She was born as the Civil War was ending.
Henry Clay, born April 12, 1777
Grenville Dodge, born April 12, 1831
Nella Larsen, born April 13, 1891
Nellallitea Walker was born in Chicago, Illinois, on April 13, 1891, the daughter of Marie Hanson, a Danish immigrant, and Peter Walker, a West Indian man of predominantly African descent from Saint Croix. She was born 26 years after the Civil War ended.
John Pierpont Morgan, born April 17, 1837
John Pierpont "J. P." Morgan was born in Hartford, Connecticut, the first child of Junius Spencer Morgan and Juliet Pierpont. He was 24 years old when the Civil War began.
James McCune Smith, born April 18, 1813
James McCune Smith was born free in 1813 in New York City, New York; his mother, Lavinia Smith, was a slave from South Carolina who had been brought to New York by her master. He was 48 years old when the Civil War began; he would die five months after it ended.
Beriah Magoffing, born April 18, 1815
Beriah Magoffin was born on April 18, 1815 in Harrodsburg, Kentucky, the son of Beriah and Jane (McAfee) Magoffin. He was 46 years old when the Civil War began.
Joseph Evan Davis, born April 18, 1859
Louis Trezevant Wigfall, born April 21, 1816
John Muir, born April 21, 1838
John Muir was born in Dunbar, Scotland, the oldest son of Daniel and Ann Gilrye Muir. He was the third of eight children in the family. In 1849, when John was eleven years old, the Muir family immigrated to the United States. Muir was 23 years old when the Civil War began.
Alexander McCook, born April 22, 1831
Alexander McDowell McCook was born the fifth son of Daniel and Margaret McCook in Columbiana County, Ohio. He was 30 years old when the Civil War began.
Lewis Thornton Powell (aka Lewis Paine or Payne),
born April 22, 1844
Lewis Powell was born in Randolph County, Alabama, on April 22, 1844 to a Baptist minister, schoolmaster, farmer, blacksmith and slaveowner, George Cader Powell, and his young wife Patience Caroline Powell, who was a distant cousin. He was 17 when the Civil War began.
Henry Thomas Harrison, born April 23, 1832
Henry Thomas Harrison, the son of Henry Hargrove Harrison and Rebecca Pearson Harrison, was born near Nashville on April 23, 1832. He was 29 years old when the Civil War began.
Thomas Nelson Page, born April 23, 1853
Thomas Nelson Page was born at Oakland, one of the Nelson family plantations, in Hanover County, Virginia, to John Page and Elizabeth Burwell Nelson. He was eight years old when the Civil War began.
Frederick Law Olmstead, born April 26, 1822
Frederick Law Olmsted was born in Hartford, Connecticut, on April 26, 1822. He was 39 years old when the Civil War began.