After the war she arranged for 500 unaccompanied youths to leave Germany and to emigrate to Australia, Marshall was born in 1902 in Adelaide.

In 1936 she returned to Adelaide having taught at the Carlisle schools of Bishop Goodwin Girls' and Margaret Sewell Central.

She was employed at Croydon Central School until 1939 when she became one of the South Australian Women Teachers' Guild elected advisors.

She was an advisor on vocational training but she was seconded to help with Adelaide Miethke's Schools Patriotic Fund of South Australia.

She decided policy and she made all the appointments of the staff at her headquarters[3] Their job was to post women to where they were needed working on farms or in canneries and they were paid a percentage of the wage offered to men.