Mary Whitmore (née Fletcher) (17 September 1884 – 19 July 1974) was a social activist who was the first woman to be Mayor of Ipswich, in 1946–47.

[2][3] Whitmore was a suffragette, and was a founder member of the Ipswich branch of the Women's Social and Political Union.

[4] She was a founder member of the Ipswich Workers' Educational Association, and was its secretary from 1929 to 1939.

[9] Mary and James had one daughter, Enid (1923-2016),[10][11][2] who married a clergyman, Trevor Howard.

[12] Whitmore died in 1974, aged 89, at the Rectory at Belchamp Otten, in Essex;[13] her son-in-law, Canon Trevor Howard, was Rector of St Ethelbert & All Saints, Belchamp Otten, 1959–93.