1820–1845) was the pseudonym of an American outlaw and early member of the Dead Rabbits.
She was a well-known personality in Manhattan's Five Points district and a noted fighter, her teeth reportedly filed into points and her fingers adorned with long, claw-like brass fingernails.
[2][3] A composite character based on Hell-Cat Maggie, Sadie the Goat (whose historic existence has been in doubt) and Gallus Mag was played by Cara Seymour in the 2002 film adaptation of Herbert Asbury's The Gangs of New York directed by Martin Scorsese.
She was also featured in the 2003 historical novel A Passionate Girl by Thomas J. Fleming and season 2 of Our Flag Means Death.
Phillips Distilling Company has released a blended Irish whiskey named after Hell-Cat Maggie that's described as being "...for those who defy convention and do things their own, rebellious way."