Mr Petar Čalić, 17, an unmarried farmhand from Brezik, Croatia, boarded the Titanic at Southampton as a third class passenger.
To reach his destination of Sault Ste. Marie, Michigan, he bought his ticket from the agent: Johann Isidor Büchel, Buchs for 170 Swiss francs (ticket number 315086, £8 13s 3d).
He may have been the brother of fellow Croat passenger Jovo Čalić.
Petar Čalić died in the sinking. His body, if recovered, was never identified.