Disambiguation: Phantom Lady
First published in: 1941
Sandra Knight (Phantom Lady) first appeared in Police Comics (Quality Comics, 1941 series) #1 (August 1941).
First appearance in a Fox Feature Syndicate comic in Phantom Lady (Fox, 1947 series) #13 (August 1947). First appearance in an Ajax-Farrell comic in Phantom Lady (Farrell, 1954 series) #5 [1] (December 1954-January 1955). Phantom Lady first appeared in a DC comic in a reprint in Adventure Comics (DC, 1938 series) #416 (March 1972), then appeared in a new story in Justice League of America (DC, 1960 series) #107 (September-October 1973).
Link: https://en.wikipedia.org/wiki/Phantom_Lady