Polygamous marriages may not be performed in the United Kingdom, and if a polygamous marriage is performed, the already-married person may be guilty of the crime of bigamy under section 11 of the Matrimonial Causes Act 1973.
Is it legal to be polyamorous?
Do people engaged in polyamory have any legal rights? Currently, not many. Multiple U.S. states (including California, Washington, Louisiana, and Rhode Island) have explicitly recognized the families with multiple parents, such as step-families, adoptive families, and families with CNM parents.
Is monogamy legal in the UK?
In the UK, it is illegal to marry more than one person. Polygamous marriages are only recognised if they took place in countries where they are legal. Under the new universal credit system, which is not expected to be fully introduced until 2021, polygamous marriages will not be recognised at all.
When was polygamy outlawed in the UK?
1603 Bigamy Act 1603 - Wikipedia.