From: Dictionary of American Naval Fighting Ships
Baltimore is a city and port in Maryland.
(Packet: no information available)
The first Baltimore, a brigantine of 12 guns, was built in 1777 at Baltimore, Md., and fitted out as a dispatch or packet vessel.
She was used at times for the protection of the coast along the Delaware and Chesapeake Bays. She was commanded by Captain T. Read of the Continental Navy, 1778-79, and was lost near Cape Henry 29 January 1780.