She was regarded as one of the most notable concert pianists in contemporary Sweden.
Among the frequent guests of her mother's soirees were Maria Ruckman and Jenny Lind.
Among her students were Mathilda Ebeling, Ludvig Norman and Sophie Adlersparre.
When Charles Mayer visited Stockholm in 1845, he refused to give her more lessons after his second, by saying that he had nothing more to teach her.
In 1844, Wilhelmina Josephson married the school principal Martin Schück and retired.