Ethel Carrick (February 7, 1872-June 17, 1952), also known by her married name Ethel Carrick Fox, was an English-born Impressionist and Post-Impressionist painter.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Ethel_Carrick

La Marée Haute à Saint Malo by Ethel Carrick
c.1911-12 / Oil on canvas / 31″x25 1/5″ / Art Gallery of New South Wales, Sydney, Australia

Ethel Carrick Fox on Artnet: http://www.artnet.com/artists/ethel-carrick-fox/

Further reading:
https://www.diggins.com.au/artist/ethel-carrick-fox/
http://www.susannadevries.com/ethel_carrick_fox.html
https://art.base.co/event/3032-art-love-and-life-ethel-carrick-e-phillips-fox#16