Florida's Ordinance of Secession was adopted at the Florida Secession Convention on January 10, 1861, officially withdrawing the state's membership from the United States. The convention was led by John C. McGehee, a wealthy planter who served as the Judge of Madison County. A secretary, William S. Harris (Duval County), and two assistant secretaries, A.T. Banks and E.W. Rogers, were appointed. The convention included delegates from 32 out of the 37 counties in the state, as Hillsborough, Hernando, Liberty, Manatee, and Bradford Counties were not included. Delegates were also sent from the 4th, 5th, 7th, 16th, 17th, 19th, and 20th Senatorial Districts.

List Delegate County/District Notes A.W. Nicholson Escambia Tax Collector of Escambia County. S.H. Wright Escambia R.D. Jordan Holmes Adam McNealy Jackson Thomas Y. Henry Gadsden Surgeon; former Grandmaster of the Florida Lodge of Masons. Grandson of Patrick Henry. E.C. Love Gadsden Owner and namesake of the E.C. Love House. A.J. Lea Madison W.H. Sever Taylor E.P. Barronton Lafayette Joseph Finegan Nassau Confederate Brigadier General; appointed teller by the convention. James G. Cooper Nassau James H. Chandler Volusia Methodist minister. David G. Leigh Sumter James Gettis 20th Senatorial District S.S. Alderman Jackson Alexander L. McCaskill Walton William S. Harris Duval Appointed secretary by the convention. S.J. Baker Calhoun Brother of Jackson County delegate James L.G. Baker. S.B. Stephens 7th Senatorial District Freeman B. Irwin Washington Died in the Elmira Prison Camp. McQueen McIntosh 5th Senatorial District Samuel W. Spencer Franklin D.D. McLean 4th Senatorial District Lewis A. Folsom Hamilton Green H. Hunter Columbia James A. Newman Suwannee Arthur J.T. Wright Columbia Lawyer; Lieutenant Colonel in the Confederate Army. Isaac S. Coon New River (Dade) John J. Lamb Clay Isaac N. Rutland 19th Senatorial District One of seven to vote against secession. William Pinkney Monroe Winer Bethel Monroe Mayor of Key West (1872–73). Joseph A. Collier Jackson John C. McGehee Madison Appointed president by the convention. Jackson Morton Santa Rosa U.S. Senator from Florida (1849–1855). E.E. Simpson Santa Rosa Co-owner of Arcadia Mill. Daniel Ladd Wakulla David Lewis Wakulla Thompson B. Lamar Jefferson Confederate Colonel; brother of Confederate Secretary of State and U.S. Supreme Court Justice Lucius Q.C. Lamar and father of Congressman William Bailey Lamar. Killed by a Union sniper. J. Patton Anderson Jefferson Confederate Major General; U.S. Congressman from Washington. Thomas M. Palmer Jefferson William S. Dilworth Jefferson J.M. Daniel Duval T.J. Hendricks Clay J.P. Sanderson 16th Senatorial District President of the Florida, Atlantic, and Gulf Central Railroad and vice president of the Jacksonville, Pensacola, and Mobile Railroad James B. Owens Marion Baptist minister. Summerfield M.G. Gary Marion Brother of Martin Witherspoon Gary and brother-in-law of Nathan George Evans. W. McGahagin Marion Asa F. Tift Monroe Prominent Key West salvager; built the Ernest Hemingway House. James L.G. Baker Jackson Brother of Calhoun County delegate S.J. Baker. Abraham K. Allison Gadsden 6th Governor of Florida from April to May 1865. Also mayor of Apalachicola and Franklin County judge. John Beard Leon Florida State Comptroller; appointed teller by the convention. James Kirksey Leon Mayor of Tallahassee and owner of the James Kirksey Plantation. G.W. Parkhill Leon Confederate Captain; died in the Battle of Gaines' Mill. George T. Ward Leon Confederate Colonel; Whig candidate for Florida Governor in 1852. Killed in the Battle of Williamsburg. W.G.M. Davis Leon Confederate Brigadier General. Joseph Thomas Hamilton Matthew Solana St. Johns James O. Devall Putnam R.G. Mays 17th Senatorial District John C. Pelot Alachua Chairman of the Convention. James B. Dawkins Alachua William W. Woodruff Orange W.B. Yates Brevard John Morrison Walton One of seven to vote against secession.

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