found: Her The awakening, 1995: CIP t.p. (Kate Chopin) galley ix (Katherine O'Flaherty Chopin)
found: Critical essays on Kate Chopin, 1996: galley (Kate Chopin, née Catherine O'Flaherty; b. in St. Louis, Mo., 02-08-1850 (not 1851, as most sources report))
found: Kate Chopin, a critical biography, 1979: p. 7 (...according to an article by Mary Helen Wilson in the Kate Chopin Newsletter, she was born on July 12, 1850, and not on February 8, 1851...)
found: Wikipedia, Sep. 10, 2009 (Kate Chopin (born Catherine O'Flaherty on February 8, 1850-August 22, 1904) was an American author of short stories and novels, mostly of a Louisiana Creole background. She is now considered by some to have been a forerunner of feminist authors of the 20th century)