The first Bizarro-Supergirl first appeared and died in Superman (DC, 1939 series) #140 (October 1960).
The second Bizarro-Supergirl first appeared in Action Comics (DC, 1938 series) #336 (April 1966).
Bizarrogirl first appeared in Supergirl (DC, 2005 series) #53 (August 2010); named in issue #54 (September 2010).