High Quality Content by WIKIPEDIA articles! Edward M. Cotter is a fireboat in use by the Buffalo Fire Department at Buffalo, New York, United States. The original name of the ship was the William S. Grattan, and she was built in 1900 by the Crescent Shipyard of Elizabeth Port, New Jersey. Due to age she was rebuilt in 1953 and was renamed Firefighter upon her return. The following year she was renamed the Edward M. Cotter. Her namesake, Edward Cotter, was a Buffalo firefighter and leader of the local firefighters union who had recently died.