Clare Marie Veronica Leighton (April 12, 1898-November 4, 1989) was an English/American artist, writer, and illustrator, best known for her wood engravings.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Clare_Leighton

Blackbird on Nest, from the Series: Four Hedges by Clare Leighton
1935 / Wood engraving / Image: 6 15/16″x4 7/8″
Various collections, including Philadelphia Museum of Art, PA

Clare Leighton on Artnet: http://www.artnet.com/artists/clare-leighton/

Further reading:
https://library.williams.edu/2021/02/12/clare-leightons-garden-path/
https://pallant.org.uk/the-industrious-artist-clare-leighton/
https://www.artsbma.org/exhibition/an-epic-of-earth-and-water/