The name is presumed to derive from its length, a reference to the RMS Queen Mary of the Cunard Line.
Queen Victoria | Queen | Queen's Counsel | Queen's University | Queen Mary | Mary | Queen (band) | Queen Elizabeth | Mary, Queen of Scots | Mary I of England | Queen Anne | Mary J. Blige | Mary Shelley | Mary Poppins | Mary Pickford | Queen Latifah | Mary of Teck | RMS Queen Mary | Queen Elizabeth The Queen Mother | Mary Magdalene | Mary Robinson | Queen Elizabeth Hall | Mary Landrieu | Queen consort | Anne, Queen of Great Britain | The Queen | Assumption of Mary | The Mary Tyler Moore Show | Mary (mother of Jesus) | the Queen |
Subsequently nick named the Queen Mary trailer after the great RMS Queen Mary of the Cunard Line, the company gained 300 orders in the build up to World War II.