Born May 21~ Catharina Treu

Catharina Treu (May 21, 1743-October 11, 1811) was a German still life painter and a member of the Treu family of painters from Bamberg.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Catharina_Treu

Still Life with Fruit by Catharina Treu
1768 / Oil on canvas / 24″x20-1/2″ / Found on Bavarian State Painting Collections online

Catharina Treu on Artnet: http://www.artnet.com/artists/catharina-treu/past-auction-results

Further reading:

Netherlands Institute for Art History
Portrait of Catharina Treu with pallet and fruit basket translated from German
A Bamberg Family of Painters translated from German

Born May 20~ Ethel Schwabacher

Ethel Kremer Schwabacher (May 20, 1903-November 25, 1984) was an abstract expressionist painter, writer, and civil rights activist.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Ethel_Schwabacher

Oedipus at Colonos, Number 2 by Ethel Schwabacher
1959 / Oil and acrylic on linen / 85-1/4″x60-1/4″ / Whitney Museum of American Art, New York

Ethel Schwabacher on Artnet: http://www.artnet.com/artists/ethel-schwabacher/

Further reading:
http://anitashapolskygallery.com/newsite/ethel-schwabacher/
https://www.denverartmuseum.org/en/blog/women-abstract-expressionism-artist-ethel-schwabacher
https://www.nytimes.com/1984/11/26/obituaries/ethel-k-schwabacher-dies-artist-writer-rights-activist.html

Born May 19~ Sarah Miriam Peale

Sarah Miriam Peale (May 19, 1800-February 4, 1885) was an American portrait painter, considered the first American woman to succeed as a professional artist.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Sarah_Miriam_Peale

Portrait of the Honorable Dixon Hall Lewis by Sarah Miriam Peale
c.1842 / Oil on canvas / Size? / Birmingham Museum of Art, AL

Sarah Miriam Peale on Artnet: http://www.artnet.com/artists/sarah-miriam-peale/

Further reading:
https://nmwa.org/art/artists/sarah-miriam-peale/
https://www.newspapers.com/clip/23428892/lengthy-article-detailing-the-life-of/
https://nbmaa.wordpress.com/2010/11/16/a-dynasty-of-artists-the-peale-family/

Born May 16~ Laura Wheeler Waring

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/

Born May 11~ Gladys Rockmore Davis

An artist who succeeded in both commercial and fine arts, Gladys Rockmore Davis (May 11, 1901-February 16, 1967) gave up a career in advertising art to devote herself to creative painting.
Biography on Go Antiques: https://www.goantiques.com/gladys-rockmore-davis-541082

Seated Figure by Gladys Rockmore Davis
c.1937 / Oil on canvas / 30-1/16″x25″ / Pennsylvania Academy of the Fine Arts, Philadelphia, PA

Gladys Rockmore Davis on Artnet: http://www.artnet.com/artists/gladys-rockmore-davis/

Further reading:
https://www.dbdowd.com/illustration-history/2015/11/13/gladys-rockmore-davis
https://www.kilmerhouse.com/2015/07/gladys-rockmore-davis-the-artist-behind-the-classic-johnson-johnson-ads
LIFE magazine articles:
https://www.google.com/search?tbo=p&tbm=bks&q=Gladys+Rockmore+Davis&tbs=,bkt:m,bkms:1168684103302644245

Born May 9~ Eliyakota Samualie

Eliyakota Samualie (May 9, 1939-November 1987) was a Canadian Inuit graphic artist and sculptor.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Eliyakota_Samualie

Bird and Fish by Eliyakota Samualie
c.1980-1981 / Ink and color pencil on paper / University of Delaware Museums Collections, Newark, DE

Eliyakota Samualie on Canadian Art price index: https://artpriceindex.ca/artist/1167240/Eliyakota-Samualie/

Further reading:
https://www.inuitartzone.com/collections/samuellie-eliyakota
https://www.historymuseum.ca/capedorsetprints/themes/animals.php
https://www.thecanadianencyclopedia.ca/en/article/inuit-printmaking

Born May 8~ Matilda Browne

Matilda Browne (May 8, 1869-November 3, 1947) was an American Impressionist artist noted for her flower paintings and her farm and cattle scenes.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Matilda_Browne

Sunny Window by Matilda Browne
ND / Oil on canvas / 14″x11″ / Private collection

Matilda Browne on Artnet: http://www.artnet.com/artists/matilda-van-wyck-browne/

Further reading:
https://florencegriswoldmuseum.org/collections/online/fox-chase/
https://www.dailyartmagazine.com/matilda-browne-a-forgotten-female-impressionist/
https://florencegriswoldmuseum.org/exhibition-notes-matilda-brownes-historic-lyme-street-house-part-i-after-the-revolution/

Born May 7~ Suzy Frelinghuysen

Suzy Frelinghuysen (May 7, 1911-March 19, 1988) was an American abstract painter, and also an opera singer under the name Suzy Morris.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Suzy_Frelinghuysen

Composition: The Ring by Suzy Frelinghuysen
1943 / Oil and collage on masonite / 23-3/4″x19-7/8″ / Private collection

Frelinghuysen on Artnet: http://www.artnet.com/artists/suzy-frelinghuysen/

Further reading:
https://www.sullivangoss.com/artists/suzy-frelinghuysen-1911-1988
https://www.frelinghuysen.org/bios/suzy.html
https://lenoxhistory.org/lenoxhistorypeopleandplaces/modernism-shocks-berkshires-1930s/

Born May 6~ Gladys Nilsson

Gladys Nilsson (born May 6, 1940) is a contemporary American artist known for watercolors and collages.
Biography on National Gallery of Art:
https://www.nga.gov/features/exhibitions/outliers-and-american-vanguard-artist-biographies/gladys-nilsson.html

Pink Suit #2 by Gladys Nilsson
1966 / Watercolor, over graphite on paper / 16-1/10″x10-1/10″ / Art Institute of Chicago, IL

Gladys Nilsson on Artnet: http://www.artnet.com/artists/gladys-nilsson/

Further reading:
https://www.interviewmagazine.com/art/gladys-nilsson-retrospective-honk-matthew-marks-garth-greenan-hairy-who
https://www.frieze.com/article/gladys-nilsson-older-i-get-bigger-i-want-these-women-be
https://interactive.wttw.com/art-design-chicago/hairy-who

Born May 5~ Sarah Choate Sears

Sarah Choate Sears (May 5, 1858-September 25, 1935) was an American art collector, art patron, cultural entrepreneur, artist, and photographer.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Sarah_Choate_Sears

Poppies by Sarah Choate Sears
1896 / Watercolor, gouache, and ink on paper / 13-3/4″x21-1/4″ / Private collection
Untitled (cyclamen, outdoors) by Sarah Choate Sears
c.1892-c.1905 / Gelatin silver print / 6″x8″ / Harvard Art Museums, Cambridge, MA

Sarah Choate Sears on Artnet: http://www.artnet.com/artists/sarah-choate-sears/
More links:
https://www.metmuseum.org/art/collection/search/267677
https://archive.artic.edu/stieglitz/sarah-choate-sears/
https://artsandculture.google.com/asset/mrs-joshua-montgomery-sears-sarah-choate-sears-john-singer-sargent/mgEnevNyoIuktA?hl=en