• Niels arrived in Philadelphia on 31 May 1857 via the ship Westmoreland. Both the ship passenger list and the British Mission Record (Mormon Migration) show his surname as Clausen. After his arrival in American, he started using his father's surname.

  His obituary confirms he traveled to Utah in that same year. Further research is needed to determine the name of the company he traveled with.

Company Unknown (1857)

• Age at Departure: 16

Sources

• "Died at Salina," Deseret News, 2 April 1908, 3.
• Pennsylvania, Passenger and Crew Lists, 1800-1962.
• Saints By Sea: Latter-day Saint Immigration to America
• Utah Death Certificates.  
• Utah State History Cemeteries and Burials Database.