Ships from Bergen, passenger lists arriving New Yo

From 1881 - 1890 seven siblings went from Eid in Nordfjord to America. They settled in Minnesota. I'm hunting how they left Bergen, to England and then Americaprobably New York. I have some informations, but not the name of the ship and passenger lists. Information: Johan Berent (Bertel) Rasmusson Torvik f. 1859, Utflytta 13.04.1881 Amerika, Allan line (15.4.1881) Bergen Mons Rasmusson Torvik f. 1862 Utflytta 13.04.1881 Amerika Allan line (15.4.1881) Britha (bertha) Pernille Rasmusdtr Torvik (Torvig) f. 1864 Utreise Bergen 30.03.1883 Allan Line prp Ankomst Boston 1.5.1883 «Prussian» Olina (lina) Ingeborg Rasmusdtr Torvik f. 1867 Utreise Bergen 30.03.1883 Allan line prp Ankomst Boston 1.5.1883 «Prussian» Sevrin Rasmusson Torvik (Torwick) f.1869 Utreise: 21.04.1887 Bergen Stjerne linie (Johanne ) Marie Rasmusdtr Torvik f. 1872 Utreise Bergen 30.04.1886 Hvide stjerne Christ (Kristian) Rasmusson Torvik (Tørvik) f. 1875 Utreise Bergen 9. 05.1890