In 1929, she and bass Ivan Patorzhynsky [uk], representative singer from Ukraine, went on a concert tour to Germany and Italy.
[2] Later, in 1932, Maria Sokil performed at the Lviv Opera and Ballet Theater[3] and, with her husband, toured a number of countries in Eastern and Central Europe for the next several years coming with concerts to the United States and Canada in 1937 and then again in 1938–1939 and then remaining in the United States when World War II started.
[4] She had success with the roles of Desdemona (Verdi's Otello), Mimi (Puccini's La Bohème), Liu (Puccini's Turandot), Elsa (Richard Wagner's Lohengrin), Tatiana (Tchaikovsky's Eugene Onegin), Lisa (Tchaikovsky's The Queen of Spades), Odarka (Hulak-Artemovsky's Zaporozhets za Dunayem), and Natalka (Lysenko's Natalka Poltavka).
In 1939, Sokil had the leading role (Odarka) in the motion picture Cossacks in Exile (Zaporozhets za Dunayem), made in the United States.
Maria Sokil and her husband subsequently continued their musical activities in several different ways for many years in the United States.