[1][2] Olsen studied at the Ilam School of Fine Arts at the University of Canterbury from 1962 to 1964.
During this era she often repeatedly portrayed what appeared to be a large cauldron or tank in a mysterious, darkened space.
She was a significant element of the Sue Crockford Gallery stable during this period.
In 1989 she immigrated to Australia where she lived and worked in North Fitzroy, Melbourne, Victoria for some years.
Maria Olsen was married to artist John Parry (b Ballarat, Vic).