Yes, it is illegal to marry your first cousin in Idaho.
Details from Idaho Law
Idaho law clearly states:
“All marriages between first cousins are prohibited
This is outlined in Title 32, Chapter 2 of the Idaho Statutes, and is consistently confirmed by multiple sources and the Idaho Legislature itself.
- First cousin marriage is not allowed under any circumstances in Idaho.
- The law applies specifically to first cousins (those who share a set of grandparents).
What About Other Cousins?
- Second cousins and more distant relatives are not restricted by Idaho law. You can legally marry your second cousin or a more distant cousin in Idaho.
Comparison with Neighboring States
- Some neighboring states, like Utah, allow first cousin marriage but only under specific conditions (such as both parties being above a certain age or unable to reproduce).
Summary Table: Idaho Cousin Marriage Law
| Relationship | Legal to Marry in Idaho? |
|---|---|
| First Cousin | No |
| Second Cousin | Yes |
| Third Cousin+ | Yes |
If you are a resident of Idaho, you cannot legally marry your first cousin. However, marriage to second cousins or more distant relatives is permitted by law.
Sources:
- https://1035kissfmboise.com/can-you-legally-marry-your-cousin-in-idaho/
- https://theamm.org/marriage-laws/idaho
- https://mix106radio.com/marrying-cousin-legal-idaho-2022/
- https://1043wowcountry.com/cousin-wedding-idaho-2023/