Laura Wheeler Waring (May 16, 1887-February 3, 1948) was an American artist and educator, best known for her paintings of prominent African-Americans that she made during the Harlem Renaissance.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Laura_Wheeler_Waring

Evangeline Rachel Hall by Laura Wheeler Waring
c.1930 / Oil on canvas / Size? / Cheyney University of Pennsylvania Archives
Found here: http://paheritage.wpengine.com/article/life-portrait-laura-wheeler-waring-anna-washington-derry/

Laura Wheeler Waring on Artnet: http://www.artnet.com/artists/laura-wheeler-waring/

Further reading:
https://www.cwhf.org/inductees/laura-wheeler-waring
http://amsterdamnews.com/news/2017/dec/14/painter-laura-wheeler-waring-noted-her-portraits-a/
https://www.blackartinamerica.com/index.php/2021/02/13/baia-bits-laura-wheeler-waring/