[3] In 1920, she, along with Anne Dallas Dudley and Catherine Talty Kenny, led the campaign in Tennessee to approve ratification of the Nineteenth Amendment to the US Constitution.

[4][5] On August 18, Tennessee became the 36th and deciding state to ratify the amendment, thereby giving women the right to vote throughout the country.

[3] On August 26, 2016, as part of Women's Equality Day, a monument by Alan LeQuire was unveiled in Centennial Park in Nashville, featuring depictions of Milton, Carrie Chapman Catt, Anne Dallas Dudley, Juno Frankie Pierce, and Sue Shelton White.

She published "A Report of the Tennessee League of Women Voters," "The Magic Switch," poetry for children; "Caesar's Wife and Other Poems"; "Lookout Mountain"; "Flower Lore"; and "Grandma Says".

[10] Her grave is in Clearwater at Sylvan Abbey Memorial Park, between those of Frances Walker and Corinne Moore, two of her three daughters.