Cecile Walton (March 29, 1891-April 23, 1956) was a Scottish painter, illustrator, and sculptor.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Cecile_Walton

Spirit of the Sea by Cecile Walton
N.D. / Pencil and watercolor with touches of gouache, on paper / 9 1/2″x6″ / Private collection

Cecile Walton on Artnet: https://www.artnet.com/artists/cecile-walton/

Further reading:
https://www.thefineartsociety.com/artists/139-cecile-walton/
https://www.nocloo.com/cecile-walton-hans-andersens-fairy-tales-1911/
http://museu.ms/article/details/109720/cecile-waltons-idyllic-double-portrait-hints-at-the-tangled-lives-of-scottish-artists-at-the-snpg