Mary Morris Hall Lockwood (1871 – 1936) was an American suffragist.

In 1889 she married Henry Lockwood with whom she had two children, one dying in infancy.

[3] In 1912 Lockwood founded the local branch of the Equal Suffrage League of Virginia which worked towards including suffrage in the Virginia state constitution,[4] but by the next year she had joined the newly formed Congressional Union for Woman Suffrage (CU) which was pursuing an amendment to the federal constitution.

In 1917 Lockwood was arrested for picketing outside the White House with the Silent Sentinels.

[1] After the passage of the Nineteenth Amendment in 1920 Townsend ran an unsuccessful bid for a seat in the Virginia House of Delegates.