Miss Jelka Orešković was born on 21 September 1881.  She was an unmarried farmwoman from Konjsko Brdo, Croatia.

She boarded the Titanic at Southampton together with her relatives (also farmers) Luka and Marija Oreskovic.

To reach her destination of South Chicago, Illinois, she bought her third class ticket from the agent: Johann Isidor Büchel, Buchs for 170 Swiss francs. (ticket number 315085, £8 13s 3d).

She died in the sinking. Her body, if recovered, was never identified.

Her father, Joso Orešković, in Kula received £50 from the Titanic relief fund.