Grada Hermina Marius
Portrait by H.J. Haverman
Born	7 June 1854 Hengelo
Died	8 November 1919 The Hague
Nationality	Kingdom of the Netherlands

Grada Hermina Marius or G.H. Marius (June 7, 1854 – November 8, 1919) was a Dutch writer and painter.

Marius was born in Hengelo but was trained under Jan Striening (1827-1903) in Deventer.^[1] She then moved to Amsterdam where she trained under August Allebé.^[1] In 1883 she settled in the Hague, where she became an art critic as well as continuing to draw and paint as a member of Pulchri Studio. She lived with her brother's family, and after he died in 1903 she stayed in the house with his surviving family and earned a living with her books, which were well received.

• 
  The Wagoneer
• 
  1907 calendar of Jan Steen paintings

Marius died in The Hague.

Works

• 1899 John Ruskin. Een inleiding tot zijn werken, introduction to his work
• 1903 De Hollandsche schilderkunst in de negentiende eeuw, comprehensive book that was later translated
• 1905 Rembrandt. Een boek voor jong Holland, a children's book about Rembrandt
• 1906 Jan Steen. Zijn leven en zijne kunst, a 1907 illustrated desk calendar
• 1906 Die holländische Malerei im neunzehnten Jahrhunderts, translated into German from her 1903 book
• 1908 Dutch painting in the nineteenth century, translated into English from her 1903 book
• 1909 Het Museum Mesdag en zijne Stichters, written with the assistance of P.A.M. Boele van Hensbroek
• 1910 De schilderkunst der 19e eeuw, translation of a book from French by Léonce Bénédite.
• 1912 Jac. van Looy, part of a series on contemporary painters: Hollandsche schilders van dezen tijd
• 1917 Johannes Bosboom, written with the assistance of Wilhelm Martin
• 1920 De Hollandsche schilderkunst in de negentiende eeuw, second edition of her 1903 book in Dutch, with a foreword by W. Martin.