Dyer, Mary, d. 1660, Quaker martyr in Massachusetts, b. England. She accompanied (c.1635) her husband to Massachusetts and supported Anne Hutchinson, whom she followed to Rhode Island, where her husband held several public offices. In 1650 she returned to England and there joined the Society of Friends (Quakers). On her return to America (1657) she was arrested in Boston and banished, but twice returned (1659, 1660) to minister to imprisoned Quakers. Twice arrested by Massachusetts authorities and condemned to be hanged both times, she was reprieved in 1659 but was subsequently executed in 1660.
See biography by H. Rogers (1896).
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