Mobile
Admiral Farragut
ngnal
The first Confederate city captured by the Union Army was New Orleans in 1862. New Orleans was the largest port city in the Confederacy. By the end of the war, the Union had also captured Mobile, Savannah, Charleston, and Wilmington in order to deprive the Confederacy of supplies.
Originally I asked what was the first large Confederate city to fall in the US Civil War, however, this question may suffice. In terms of a major city, it would be the port city of New Orleans. This was important as it layat the mouth of the Mississippi River. Union Admiral Farragut was in charge of the victorius battle.
Charleston, SC New Orleans, LA Galveston, TX (for awhile)
Port royal was captured several times, but was definitively captured in October 1710.
At the same time in March of 1862, when Brigadier General Burnside was capturing New Bern and Roanoke Island, the Union Navy was also active. The Navy captured Elizabeth City, North Carolina and sank or burned four Confederate gunboats. It also captured one as well. The Navy then chased two more enemy gunboats and obstructed the waterway between Elizabeth City and the port of Norfolk.
Mobile
Wilmington NC
No, it was in 62. By the end of that year, Lincoln and Grant both saw Vicksburg as the vital objective, the last big Mississippi port still in Confederate hands.
Wilmington NC