Because state laws exist, polygamy is not actively prosecuted at the federal level, but the practice is considered against public policy and, accordingly, the U.S. government does not recognize bigamous marriages for immigration purposes (that is, would not allow one of the spouses to petition for immigration
Why is being polyamorous illegal?
Polyamory is not a legally protected status, like being straight or gay. You can lose your job for being polyamorous. Courts can use it against you in child custody proceedings.
When did polygamy become illegal in the United States?
1890 The U.S. government made polygamy illegal in response to the LDS Church, and the church outlawed the practice in 1890. Some small groups that split from the LDS Church still practice polygamy.
Can polyamorous people get married in the US?
It is illegal in all 50 states to be married to more than one person — which is known as polygamy, not polyamory. Polyamorous people who try different kinds of arrangements — such as a married couple with steady outside partners — run into their own legal problems.