Numerous vessels have borne the name Lusitania, named after Lusitania, an ancient Roman province corresponding to most of modern Portugal. The most famous was:
RMS Lusitania (launched 1906), a British ocean liner operated by the Cunard Steamship Company, that a German U-boat sank in 1915 during World War I with the loss of 1,199 lives.
Other vessels include:
Lusitania (1805 ship) that a French frigate captured in 1813 and released, and that between 1826 and 1830 made a whaling voyage to Timor and the waters around Papua New Guinea.
SS Lusitania (1853) was a steamship built by John Laird at Birkenhead and launched in August 1853.[1]