In 1895 she made her first trip to the United States, where she played in Boston and at Madison Square Garden in New York City,[4] and at the inaugural concert in Steinway Hall in Chicago.

[5] Szumowska gave special concerts and wrote "An Appreciation of Chopin" for The Etude magazine, on the occasion of the Polish composer's centennial in 1910.

[10][11] For her contributions she was awarded the Officer's Cross of the Order of Polonia Restituta, in 1924, a decoration presented by her former teacher Paderewski.

Szumowska has lost none of her technical skill," an American magazine noted: "Her runs are rippling and smooth, her trill is hardly to be equalled, and her masterful playing in general was a welcome revelation to the audience.

Her son, Tadeusz Adamowski, became an athlete at Harvard University and afterward played ice hockey for Poland in the 1928 Winter Olympics, before serving in the Polish army during World War II.