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US State Laws


USA Map of State Laws

Click on a state below for actual marriage statutes. CousinCouples.com does not guarantee the accuracy of the information available on the various state laws. This information is for entertainment purposes and does not constitute legal advice.


States that allow cousin marriages
States that prohibit cousin marriages
Alabama
Arkansas
Alaska
Delaware
Arizona *E1
Idaho
California
Iowa
Colorado
Kansas
Connecticut
Kentucky¹
Florida
Louisiana
Georgia
Michigan
Hawaii
Minnesota ²
Illinois *E1
Mississippi
Indiana *E1 ¹
Missouri
Maine *E3
Montana
Maryland
Nebraska
Massachusetts
Nevada ¹
New Jersey
New Hampshire
New Mexico
North Dakota
New York
Ohio ¹
North Carolina *E2
Oklahoma
Rhode Island
Oregon
South Carolina
Pennsylvania
Tennessee
South Dakota
Utah *E1
Texas
Vermont
Washington ¹
Virginia
West Virginia
Wisconsin *E1 ¹
Wyoming


E1 
Permitted when couples will not bear children
E2 
Prohibits double first cousins only
E3 
Genetic counseling required prior to marriage
 ¹ Indiana, Kentucky, Nevada, Ohio, Washington and Wisconsin currently prohibit marriage between first cousins once removed.

² Exemption : some marriages are permitted by the established customs of aboriginal culture - see state law

U.S. State Laws Explained

Second cousins may legally marry All States
First cousins may legally marry AK, AL, CA, CO, CT, FL, GA, HI, MD, MA, NJ, NM, NY, NC, RI, SC, TN,, VT, VA 
and Washington DC
First cousins and first cousins once removed cousins prohibited AR, DE, IA, ID, KS, LA, NH, MI, MN, MO, MS, MT, ND, NE, OR, OK, PA,  SD, TX, WV, WY
IN, KY, NV, OH, WA, WI
First cousins and first cousins once removed  prohibited only if they can bear children or are over a certain age AZ, IL, ME, UT,
IN, WI
First cousins may marry if the submit to genetic counseling  ME
Only double first cousins prohibited NC
Cousin marriages allowed only if permitted by aboriginal culture of the couple MN
Cousins may legally evade state laws and marry elsewhere
(Interpretation of law unclear)
(Not legal but Ethridge v. Shaddock may have set a precedent to overturn)
IN*, KS, LA, NE, OK, WA, WV, WY, 
MI
AR**
Cousins are prohibited from marrying, but are not defined as incest 
(defined as incest only if over 18)
(defined as incest only if under 18)
ID, LA, MN, MO, MT, OR, PA, WA, WV, WY
AZ
SD, 
Cousin marriage is defined as incestuous only if couple is of reproductive age or ability WI
Cousin marriage is defined as incestuous All prohibited states, excluding those listed in the previous two (2) categories
Half cousins can marry (absolute, apparent) NE, NV
AZ, KS, MT, OK
Adopted cousins may marry with proof of eligibility LA, MS, OR, WV, 
Uncle/Niece and other consanguineous marriages allowed if permitted by aboriginal culture CO, MN
Uncle-in-law/Niece-in-law marriages allowed CT

* Indiana
While most marriages are void if contracted elsewhere to evade Indiana's law, cousin marriages do not fall under the statute which would make it void:

IC 31-11-8-6
Sec. 6. A marriage is void if the parties to the marriage:

For more information, you should consult the book, "Forbidden Relatives" -- it has more detailed information on each state. Also you should post your question on the message board.

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