Bertha Jane Johnson (née Todd; 20 January 1846 – 24 April 1927), was the principal of the Society of Oxford Home-Students, which would become St Anne's College, University of Oxford, and a campaigner for women's education.

She grew up with two older sisters and one younger brother: Bertha was educated at home.

[3] They subsequently lived at 8 Merton Street before settling at 5 South Parks Road.

[4][2] The couple had two children: Robert became Deputy Master and Controller of the Royal Mint.

[7] Oxford was catching up on Cambridge which had established university level education for women.