Time Period: Civil War through Reconstruction (1861 - 1874) - Starting with R

Abraham Hall Ryan was a Union army officer serving on the staff of Major General Frederick Steele when he was authorized to raise the Third Arkansas Cavalry (US) in 1864, leading the regiment for the rest of the Civil War. Abraham Ryan was born in New York City to Charles Ryan and Amy Bosworth Ryan, on February 16, 1837, and moved to Illinois as a child. When the Civil War began in 1861, he helped organize Company A of the Seventeenth Illinois Infantry Regiment, mustering in as first lieutenant in May; he was soon made the regiment’s adjutant. In the chaotic fighting at Shiloh in April 1862, Ryan commanded a brigade for several hours after its colonel was killed in …