Thelma Hulbert (November 9, 1913 – 17 February, 1995) was born in Bath, Somerset. She was an only child. At a young age she attended the Bath Art School.
In 1934, at the age of 20, Hulbert moved to London. She later became a model, secretary and student with the Euston Road School of artists, which was founded in 1937, and became friends with Victor Pasmore, William Coldstream, and Claude Rogers. Following the Second World War, she moved to the Holland Park neighborhood of London and began to teach art at the Camden School for Girls. She later would teach at the Central School of Art and Design, where she remained until her retirement. In 1958 she had a solo exhibition at the Leicester Galleries in London. In 1962 Hulbert had a mid-career retrospective, entitled Thelma Hulbert: paintings and drawings, 1937-1962, at the Whitechapel Gallery, which was organized by Bryan Robertson.
In 1984 Hulbert moved to Honiton where she lived and painted at Elmfield House. After a battle with pulmonary fibrosis, Hulbert died on 17 February 1995 in Honiton.