Sigsby was born in New Orleans,[1] on February 26, 1876,[2] one of four daughters of Charles D. Sigsbee, captain of the USS Maine during the Spanish–American War.

[5] A feminist and suffragist, Sisgbee designed posters for the American Woman Suffrage Association.

[8] A copy of her print The New Hand is in the National Child Labor Committee Collection of the United States Library of Congress.

[3] They first lived in Greenwich Village, but after a period working in Paris, the marriage failed[3] and they divorced in 1910.

The family eventually settled into a house off Glasco Turnpike in Woodstock, New York just prior to World War II.