Sorry spelled it worng, it was Mauretania
RMS Mauretania (also known as the "Maury") was an ocean liner built by Swan, Hunter & Wigham Richardson at Wallsend, Tyne and Wear for the British Cunard Line.
The Olympic-class passenger liner, RMS Titanic was owned by the White Star Line and constructed at the Harland and Wolff shipyard in Belfast, Ireland.
The three Olympic class ships were built to rival the Cunard Line ones, Maury and Lusitania and Aquitania. And there was one that was changed, name wise, in the Olympic class, but that was the Gigantic which actually became the Britannic.
You're getting things mixed up I think, mate.