Bark ship 'Saga' in 1854

Does anyone have any information on this ship? It seems to have taken only one voyage from Bergen to Quebec. Some of my ancestors were on it with 9 people but 1 is listed as died at Grosse Ile in Quebec and I can find 4 of them (including my g-g-grandmother) who got to Wisconsin. The other 4 seem to have disappeared so I'm thinking they must have died on the ship. It was in 1854 and the trip was from April 28 to June 21.