Irena Stanisława Aniela Dubiska was born in Inowrocław to Edmund and Władysława (née Jewasińska) ; she and her siblings, Ludomira and Aleksander, all had a musical education.
At age nine she debuted in Wittenberg and later performed in Inowrocław, accompanied by her sister, who had graduated from the Berlin Conservatory and taught at the school, on the piano.
She began performing with Polish violinist Bronisław Huberman and they played throughout Germany, Poland, France, and the Netherlands.
Dubiska's brother Aleksander continued playing music as an amateur while working as a doctor and hospital director.
Following the end of the war, she continued to teach, from 1945 to 1951 at the Academy of Music in Łódź and in parallel at Warsaw, as a full professor from 1956.