She became a nun and lived in the double monastery of Heidenheim am Hahnenkamm near Eichstätt, which was founded by her brother, Willibald. After his death in 751, she became . Walburga died on 25 February 777 or 779 and was buried at Heidenheim. In the 870s, her remains were brought to Eichstätt. 