Hatland Torsson Jonsdatter Torjornsson Kristensson

I am new to this site This is who i am looking for any help would be great HI My great grandfather was Tor Torsson Gjerde born Eten 1830 died 1902 USA was the son of Jor Torsson Gjerde Born 1794 and Lisbet Jonsdatter (-dotter) Gjerde Born 1803 died 1885 and married Kristi Bardsdtr Vagen daughter of Bard Erickson Vagen 1802-1880 parish of Olen and married 1823 Kristi Torsdatter, Hustveit Born about 1791- 1865.. Kristi Bardsdatter married Jon Torsson Gjerde from Eten moved to Longhammerplasset under Hetland in Olen Children: Tor Jonsson born Gjerde in Eten in 1857 Elisabeth Kristine Jonsdatter born Vagen 1860 Brita Serine Jonsdatter Born on Hetland in 1862 Bard (my grandfather) jonsson born on Vagen in April 14 1865 THAN 11 DAYS AFTER BARD WAS BORN LEFT FOR THE USA Helena Hatland born in Usa Juila Hatland born USA John Hatland Jr USA Erick Hatland USA ANNA Hatland USA ggg grandparents Tor Torjornsson born 1754 Stodle married Asjerd Jacobsdtr gggg grandparents Kristen Kristensson born 1702 Stodle Married Guro Nilsdtr Nes 1706 I am trying to find out any information i can and would like to know how i find out the name of the ship and when and how they came to the USA Thank You Deb