Elizabeth Mary Rolleston (30 March 1845 – 4 June 1940), known as Mary Rolleston, was a New Zealand homemaker, political hostess and community leader.

She was born as Elizabeth Mary Brittan in Castleton, Dorset, England in 1845.

[1] The surviving siblings were Joseph (Joe), Arthur, and Frances (Frank).

[2][3][4] She attended Mrs Thomson's School for Young Ladies in Christchurch.

[5] Mary Brittan married William Rolleston on 24 May 1865 at Holy Trinity Avonside.