Robert O. Perrin
Robert Oliver Perrin was an American physician who served as president of the Greene County, Alabama, Board of Health until his death in 1878.
Perrin previously served as a senior officer of the Confederate States Army, commanding the 11th Mississippi Cavalry Regiment in the Western Theater of the American Civil War from 1863 until he resigned his commission in 1865. He died on October 8, 1878, at his home in Eutaw, Alabama, of heart disease at the age of 54.