Mary Barratt Due

Mary Louise Barratt Due (9 April 1888 – 24 December 1969) was known as one of the most influential Norwegian pianists in the 20th century. She was the daughter of the pastor Thomas Ball Barratt and the preacher Laura Barratt, née Jakobson. In 1916 she married the violinist Henrik Adam Due, and together they founded the Barratt Due Institute of Music in 1927. Their children were the musicians Stephan Henrik Barratt-Due and Esther Barratt-Due.