[1][2] On July 4, 1917, the anniversary of the United States' independence, Hill picketed outside the White House carrying a banner stating: "Governments derive their just powers from the consent of the governed.

She was arrested again in January 1918 for applauding in court, for which she served a day in jail.

In August of that year, she was arrested for participating in the pro-suffrage Lafayette Square meeting at which her sister Elsie Hill spoke, for which Helena served 15 days.

[2] In addition to her work for women's suffrage, Helena Hill was also one of America's first female geologists, having studied at Vassar College and the Montana School of Mines.

[1][7] She also wrote articles in support of Haitian independence for the magazine The Nation.