Mary-Jean O’Doherty was the first recipient of the Australian International Opera Award to study at the Cardiff International Academy of Voice in Wales.

 Mary-Jean has performed the roles of Naiad and Zerbinetta in Ariadne auf Naxos for Welsh National Opera. She performed the title role of Lucia in Prague State Opera’s production of Lucia di Lammermoor.

Mary-Jean made her debut at the Royal Albert Hall, London, singing the “Queen of the Night’s vengeance aria” in Raymond Gubbay’s Classical Spectacular concert.

Mary-Jean won first prize in the 2013 Paris Opera Awards, performing Lakme’s Bell Song in the Salle Gaveau with orchestra,

In May 2015 Mary-Jean represented Armenia as part of the group Genealogy at the Eurovision Song Contest in Vienna.

In 2019 Mary-Jean performed the role of the Italian Princess in London Armenian Opera’s production of Stepanian’s Kaj Nazar.  She also sang as the soprano soloist for Rossini’s Stabat Mater in Llandaff Cathedral, Wales.

Mary-Jean has also performed roles with English National Opera, Longborough Festival Opera, Tiroler Festpiele Erl, and Teatro Communale Bolzano.