Best known as a printmaker, Minnie Lois Murphy (1901-1962) was affiliated with the WPA Federal Art Project. The Smithsonian says she was born on February 8th.
Biography on askART: https://www.askart.com/artist/Minnie_Lois_Murphy/61578/Minnie_Lois_Murphy.aspx

Flower Study by Minnie Lois Murphy
c.1930s / Wood engraving on paper / Image: 10 3/4″x7 3/4″
Franklin D. Roosevelt Library and Museum, Hyde Park, NY

Minnie Lois Murphy on Artnet: http://www.artnet.com/artists/minnie-lois-murphy/

More links:
https://emuseum.delart.org/people/9925/minnie-lois-murphy
http://tfaoi.org/aa/6aa/6aa460.htm
http://www.paramourfinearts.com/list_works.asp?id=844&t=1