Disambiguation: Kathy Kane, 1956-1985
First published in: 1956
The original Batwoman first appeared in Detective Comics (DC, 1937 series) #233 (July 1956). She died in Detective Comics (DC, 1937 series) #485 (August-September 1979).
Batwoman of Earth-Two first appeared in The Brave and the Bold (DC, 1955 series) #182 (January 1982).
Link: https://en.wikipedia.org/wiki/Batwoman