She was an artist of some little ability before taking up the study of entomology, in order that she might perfect herself in her chosen line of work.
She painted many pictures that were given places of honor in private residences in Washington, and was well known throughout that part of the country for the work she had done outside of her government office.
Her work, either with pen and ink or with colors, attracted attention throughout the United States, her illustrations appearing in almost every publication of the Department which related to entomology.
[1] Sullivan died, unmarried, at her home, 1304 R Street North-west, in Washington, D.C., on the evening of June 26, 1903, shortly after 7 o'clock, as a result of a stroke of paralysis suffered earlier In the day.
She was in the best of health, apparently, the previous morning and was at her post as usual in the office of C. L Marlatt, acting Chief of the Division of Entomology.