John O'Dea (1839 – 1905) was a Union Army soldier during the American Civil War. He received the Medal of Honor for gallantry during the Siege of Vicksburg on May 22, 1863.
John O'Dea (1839 – 1905) was a Union Army soldier during the American Civil War. He received the Medal of Honor for gallantry during the Siege of Vicksburg on May 22, 1863. (en)