What Degree of Cousins Can Marry? (Legal Guide!)
Have you ever wondered if your childhood crush from family gatherings could legally be your spouse? It’s a question that might seem a bit taboo, but it touches on some fascinating legal, cultural, and even genetic issues.
Let’s dive into the complexities of cousin marriage laws across different jurisdictions. I’ll break down everything you need to know by 2025!
Section 1: Understanding Cousin Relationships
Okay, so first things first: what do we even mean by “cousins”? It’s not always as straightforward as you might think!
We’re talking about family connections that extend beyond your immediate parents and siblings. Let’s clarify different types of cousins:

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First Cousins: These are the children of your aunts and uncles. Your parents’ siblings’ kids, basically.
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Second Cousins: These are the children of your parents’ first cousins. Think of it as your grandparents’ siblings’ grandchildren.
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Third Cousins: You guessed it! These are the children of your parents’ second cousins. We’re getting pretty far out on the family tree now.
Degrees of Cousin Relationships
The degree of cousin relationship is determined by how many generations you are removed from your common ancestor. This is often expressed as “removed.”
For example:
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First Cousins: Share a set of grandparents.
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First Cousins Once Removed: One person is one generation away from the common ancestor than the other. Your first cousin’s child would be your first cousin once removed.
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Second Cousins: Share a set of great-grandparents.
To visualize this, think of your family tree. Start with yourself, then trace back to your parents, grandparents, great-grandparents, and so on. Then, branch out to include your aunts, uncles, and their descendants.
Section 2: Historical Context of Cousin Marriages
Believe it or not, cousin marriages have a long and complex history. They’ve been common in some cultures and eras, and strictly forbidden in others.
Historically, cousin marriage was often practiced to:
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Consolidate Wealth: Keeping property and assets within the family.
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Maintain Social Status: Ensuring that marriage partners came from a similar social background.
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Strengthen Family Ties: Reinforcing bonds between different branches of the family.
Cultural Variations
Attitudes towards cousin marriage vary widely across cultures.
In some Middle Eastern and South Asian countries, it’s still a relatively common practice. In many Western societies, it’s viewed with suspicion or even considered taboo.
Notable Historical Figures
You might be surprised to learn that some famous figures married their cousins!
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Queen Victoria and Prince Albert: They were first cousins.
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Charles Darwin and Emma Wedgwood: Also first cousins.
These unions, while notable, don’t necessarily reflect the prevailing attitudes of their time. They do, however, illustrate the historical prevalence of cousin marriage in certain social circles.
Section 3: Legal Framework Governing Cousin Marriages
Now, let’s get down to the legal nitty-gritty. Marriage laws are complex and vary significantly from country to country, and even from state to state within the U.S.
Generally, marriage laws address things like:
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Age Requirements: Minimum age for marriage.
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Consent: Both parties must willingly consent to the marriage.
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Prohibited Relationships: Laws prohibiting marriage between close relatives, including cousins.
Cousin Marriage Laws in the U.S.
The U.S.
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Legal: Some states allow first cousin marriage without restriction.
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Restricted: Some states allow it, but with certain conditions, like genetic counseling.
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Prohibited: Other states completely ban marriage between first cousins.
Here’s a breakdown (as of 2024, laws can change):
| Status | States |
|---|---|
| Legal | Colorado, Connecticut, Florida, Georgia, Hawaii, Maryland, Massachusetts, New Jersey, New Mexico, New York, North Carolina, Rhode Island, South Carolina, Tennessee, Vermont, Virginia |
| Restricted | Illinois (only if both parties are 50 or older, or if they can prove they are infertile), Maine (requires genetic counseling), Minnesota (marriage to first cousin is legal if both parties are at least 55 years old), Utah (requires genetic counseling) |
| Prohibited | Arizona, Arkansas, Delaware, Idaho, Indiana, Iowa, Kansas, Kentucky, Louisiana, Michigan, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Texas, Washington, West Virginia, Wisconsin, Wyoming |
Source: National Conference of State Legislatures (NCSL)
Cousin Marriage Laws Around the World
Globally, the legal landscape is just as diverse.
Many countries in the Middle East and parts of Africa permit first cousin marriage. In contrast, many European countries prohibit it.
Section 4: Degrees of Cousins and Legal Implications
So, what specific degrees of cousins can legally marry where?
It’s a crucial question, and the answer varies considerably. Generally, the closer the relationship, the more likely it is to be prohibited.
| Degree of Cousin | U.S. (General Trend)
| First Cousins | Generally prohibited in about half of U.S. states. |
| First Cousins Once Removed | Generally allowed in most states that prohibit first cousin marriages. the marriage.
- Genetic Counseling: In some cases, states may require genetic counseling before a marriage license is issued. This is to ensure that the couple understands the potential risks of having children with inherited conditions.
Section 5: Cultural and Social Perspectives
Beyond the legal aspects, cultural and social attitudes play a huge role in how cousin marriages are perceived.
In some societies, it’s seen as a normal and accepted practice. In others, it’s considered taboo or even morally wrong.
Social Stigma and Acceptance
The level of social stigma associated with cousin marriage can vary greatly.
In communities where it’s common, there may be little to no stigma. However, in societies where it’s rare, couples who marry their cousins may face judgment or disapproval.
Personal Anecdotes
I’ve spoken with people from cultures where cousin marriage is common, and they often describe it as a way to strengthen family bonds and
