Mary Hillard Loines (4 May 1844 – 1 April 1944)[1] was a suffragist and civic worker,[2] the daughter of writer Harriet Low.

[3] For a period following the Civil War, Hillard worked as a teacher for the National Freedmen's Relief Association,[4] helping to educate those emancipated from enslavement.

[3] Hillard Loines had been an active suffragist before her marriage, having been elected secretary of the Brooklyn Equal Rights Association in 1869, and continued for over five decades.

[3] Loines was also prominent in other activism surrounding human rights, including in prison reform, and as a founder and organiser of the Consumers League of New York.

[3] Loines' son, Russell, a lawyer and lover of poetry, assisted in establishing Dongan Hall school on Staten Island.