Siege of New Orleans

Siege of New Orleans
Johnson, et al. · Public domain · source
Conflict	Siege of New Orleans
Partof	War of 1812
Date	January–May 1815
Place	New Orleans, Louisiana
Result	American victory
Combatant1	United States
Combatant2	United Kingdom
Commander1	Andrew Jackson
Commander2	Edward Pakenham
Strength1	~4,000–5,000 regulars and militia
Strength2	~8,000–12,000 expeditionary force
Casualties1	~71 killed, 139 wounded
Casualties2	~2,000+ killed, wounded, captured

Siege of New Orleans

The Siege of New Orleans was the culminating campaign of the War of 1812 in which Anglo-British expeditionary forces attempted to capture the strategic port city of New Orleans, then part of the Territory of Orleans, in early 1815. Commanded by Major General Andrew Jackson, a diverse American force of regulars, militia, Native American allies, free people of color, and naval personnel defended the city against a British army led by Lieutenant General Edward Pakenham, Major General John Lambert, and Admiral Alexander Cochrane. The siege and the decisive defensive battles on the approaches to New Orleans ended in a resounding Anglo-British defeat, affecting subsequent diplomatic and political developments after the Treaty of Ghent.

Background

The campaign grew from British strategic aims during the War of 1812 to control the mouth of the Mississippi River and sever American interior lines tied to the Louisiana Territory and the Missouri River trade. British planners operating from Kingston, Ontario and the West Indies viewed New Orleans as key to influencing negotiations at the ongoing plenipotentiary talks in Ghent, Netherlands. Following naval operations in the Gulf of Mexico and the capture of Fort Bowyer at Mobile Bay, a British expeditionary force under Sir Edward Pakenham and Sir Alexander Cochrane prepared an amphibious assault using bases in the Bahamas and Jamaica and staging at Lake Borgne.

Forces and commanders

American defenses coalesced under Major General Andrew Jackson, recently notable for actions at Pensacola and in the Creek War at the Battle of Horseshoe Bend. Jackson’s command included elements of the United States Army, volunteers from Tennessee, Kentucky, and Louisiana militia, Creole militia of Orleans Parish, free men of color from Chalmette and the French Quarter (New Orleans), regulars of the 7th Infantry Regiment and the 39th Infantry Regiment, and naval detachments from USS Carolina and USS Louisiana. Native American allies, including Choctaw and Creek personnel, supplemented the garrison. British expeditionary forces comprised veteran units from the British Army such as the Royal Scots, Coldstream Guards, elements of the Royal Marines, and colonial troops, supported by naval squadrons of the Royal Navy under Admiral Alexander Cochrane. Command relationships were divided among Pakenham, John Lambert, and naval commanders coordinating amphibious landings.

Course of the siege

British forces landed east of New Orleans at Gulf Coast staging areas and marched inland, establishing camps on the Chalmette and Mississippi approaches while probing American fortifications. In December 1814 and January 1815, preliminary engagements at Lake Borgne and the Battle of Chalmette set conditions for siege operations. Jackson concentrated forces behind hastily constructed earthworks and the line along the Rodriguez Canal, preparing for both frontal assaults and protracted investment. British assaults on American forward positions, including the ill-fated attacks on the Rodriguez Canal and the Line Jackson defenses, resulted in heavy British casualties. Skirmishing, entrenchment, and probing attacks characterized the weeks-long operations as both sides maneuvered for advantage before the main assault.

Naval and artillery operations

Naval engagements in the approaches involved squadrons of the Royal Navy seizing control of shallow passages and convoying troop transports while the United States Navy and privateer elements conducted riverine actions to impede enemy movement. British naval bombardment targeted American batteries along the Mississippi River and the city’s maritime approaches, using shipborne carronades and heavy guns manned by Royal Marines. American artillery, organized by engineers and ordnance officers from the United States Army Corps of Engineers and artillerymen from the Light Artillery Regiment, employed field guns and siege batteries sited in the Chalmette defenses and within New Orleans. The interplay of naval gunfire, shore batteries, and land artillery duels shaped tactical choices; British attempts to silence American batteries failed to produce decisive breach effects before the main land assault.

Civilian impact and city defenses

Civilians in New Orleans—including Creole merchants, French and Spanish-speaking inhabitants, free people of color, and recent settlers from Kentucky and Tennessee—experienced curfews, militia levies, and requisitions as Jackson organized urban defenses. Local institutions such as the New Orleans City Council and parish organizations cooperated with militia formation and provision of supplies. Fortifications combined improvised redoubts, cotton bale barriers, and fortified plantations along the ramparts of the Mississippi; hospitals, warehouses, and the Larger Market (Vieux Carré) were repurposed as medical and logistical hubs. Civilian casualties were limited relative to combatant losses, though commerce and shipping suffered significant disruption, and refugee movements altered demographic patterns temporarily.

Aftermath and consequences

The failed British siege culminated in a decisive American tactical victory with substantial British casualties, including the death of General Edward Pakenham; surviving British forces conducted an orderly withdrawal to their transports and returned to Jamaica and British bases. Although news of the Treaty of Ghent had reached Europe, slow transatlantic communications meant the battle preceded formal ratification, complicating political narratives in both Washington, D.C. and London. The victory elevated Andrew Jackson to national prominence, influencing the 1820s-era politics of the United States and the formation of the Democratic Party coalition, while British defeat prompted reviews in the War Office and Royal Navy strategy. Control of the Mississippi River and the port of New Orleans remained with the United States, securing trade routes tied to the Louisiana Purchase and shaping subsequent territorial and economic development in the American South.

Category:Battles of the War of 1812 Category:History of New Orleans Category:1815 in the United States