Rose Cecil O’Neill (June 25, 1874-April 6, 1944) was an American artist and writer who became the best-known and highest-paid female commercial illustrator in the US after creating the Kewpie.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Rose_O%27Neill

“Looking in at the Windows” by Rose O’Neill
Original art for page 85 of The Loves of Edwy, Lothrop Publishing Co.
c.1904 / Ink on Paper / 21-7/10″x15-1/5″ / Drury University Art Collection, Springfield, MO

Rose O’Neill on Artnet: http://www.artnet.com/artists/rose-oneill/

Further reading:
https://www.illustrationhistory.org/artists/rose-oneill
https://historicmissourians.shsmo.org/rose-oneill
http://cbldf.org/2017/03/she-changed-comics-rose-oneill-champion-of-suffrage/