Biography
Catherine Magdalen Thornton Boyle (born 1879 - March 11, 1955) was a member of the National Woman's Party and one of the "Silent Sentinels" imprisoned during the 1917-1919 campaign to picket the Wilson White House for woman suffrage.
She was arrested at the evening watchfire demonstration of January 13, 1919, held overnight, and sentenced the following day to five days. The exact release date is unresolved.