Congresswoman Louise Slaughter died today, after decades in government. She was a Congresswoman from New York, which she started as in 1987. Let's take a look at Louise Slaughter net worth. Louise Slaughter has been in government for decades. Although she started in marketing, she quickly moved into political causes, such as the environment and women's issues. It was in the 1970s that she first entered local government in the state assembly of New York.