[4] That same year she was tasked with distributing women's literature for the Portland Branch of the College Equal Suffrage Association in which she served on the board.

[1] In the patriotic fervor of World War I, Manion and three of her fellow female physicians, Mae Cardwell, Mary MacLachlan, and Emily Balcom attempted to enlist in the Army Medical Reserve Corps in May 1918.

[5] The four physicians collected portfolios that included their diplomas, licenses, and references from patients, which they presented to a major at the Vancouver Barracks training camp in Washington.

[4] Finding no other reason, the major denied the women the right to enlist because, “it hasn’t been done.”[4] Instead the major suggested they volunteer as nurses, a job that was not commissioned; the women refused and were turned away, but the case had gained national attention.

[5] Their case was brought to the Surgeon General in Washington D.C, William Crawford Gorgas who affirmed the major in Vancouver's decision.