Ole Olsen Gaarder
His given name is "Ola O." in Journal History and Perpetual Emigrating Fund, General Files.
The family came on the William Tapscott in 1860, and the ship manifest shows their surname as "Olson." They had a child born in Florence in 1860. He dies on the plains but is not on the company roster. The children come on the ship as Olsen.