Nell Walker Warner was born April 1, 1891 in Falls City, Nebraska. She was educated in Colorado Springs and Missouri before graduating from the Los Angeles School of Art & Design in 1916. She traveled through Europe before returning to the U.S. After painting seascapes and harbor scenes on the East Coast she made her was to California. She became an active member of the southern California art community, where she studied with Paul Lauritz and Nicolai Fechin.

In 1950, she moved to Carmel, where she painted until her death in 1970. Called one of the best flower painters in American, she is best remembered for her floral still lifes and New England harbor scenes.

Exhibitions (selected list):
Los Angeles County Museum of Art, Los Angeles, CA
Sheldon Memorial Art Gallery, Lincoln , NE
Springville Museum of Art, Springville , UT

Exhibitions (selected list):
(1955, 63, 66) Artists Guild of America, Carmel, CA
(1945) California Palace of the Legion of Honor, CA
(1940) Golden Gate International Exhibition, San Francisco, CA
(1930) Santa Cruz Art League, Santa Cruz, CA (prize)
(1931) California State Fair, Sacramento, CA (prize)
(1928) Wilshire Gallery, Los Angeles, CA
(1925-38) California Art Club, Los Angeles, CA
(1925) California Eisteddfod, CA (prize)
(1925) Southern California Fair, CA