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Cousin Marriage Laws Listed State-by-State

Cousin Marriage License Laws in the U.S.

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Please Note: The information in this article was accurate when it was published. State and county marriage license requirements often change. The information listed below is for guidance only and should not be regarded as legal advice.

It is important that you verify all information with your local marriage license office or county clerk before making any wedding or travel plans.

Please notify us of any oversights or errors.

Note: All states allow the marriage of second cousins.

A
  • Alabama: First cousins, yes.
  • Alaska: First cousins, yes.
  • Arizona: First cousins, yes, only if they are over a certain age or cannot bear children. Half cousins, yes.
  • Arkansas: No

    B

    C

  • California: First cousins, yes.
  • Colorado: First cousins, yes.
  • Connecticut: First cousins, yes.

    D

  • Delaware: No
  • District of Columbia: First cousins, yes.

    E

    F

  • Florida: First cousins, yes.

    G

  • Georgia: First cousins, yes.

    H

  • Hawaii: First cousins, yes.

    I

  • Idaho: No
  • Illinois: First cousins, yes, only if they are over a certain age or cannot bear children.
  • Indiana: First cousins once removed, yes, only if they are over a certain age or cannot bear children.
  • Iowa: No

    J

    K

  • Kansas: Half cousins, yes.
  • Kentucky: No

    L

  • Louisiana: Marriage between first cousins is not allowed.

    M

  • Maine: First cousins, yes, only if they are over a certain age or cannot bear children, or if they get genetic counseling.
  • Maryland: First cousins, yes.
  • Massachusetts: First cousins, yes.
  • Michigan: No
  • Minnesota: No, unless aboriginal culture of the couple permits cousin marriages.
  • Mississippi: Adopted cousins, yes.
  • Missouri: No
  • Montana: Half cousins, yes.

    N

  • Nebraska: Half cousins, yes.
  • Nevada: Half cousins, yes.
  • New Hampshire: No
  • New Jersey: First cousins, yes.
  • New Mexico: First cousins, yes.
  • New York: First cousins, yes.
  • North Carolina: First cousins, yes. Double first cousins are not allowed to get married.
  • North Dakota: No

    O

  • Ohio: No
  • Oklahoma: Half cousins, yes.
  • Oregon: Adopted cousins, yes.

    P

  • Pennsylvania: No

    Q

    R

  • Rhode Island: First cousins, yes.

    S

  • South Carolina: First cousins, yes.
  • South Dakota: No

    T

  • Tennessee: First cousins, yes.
  • Texas: No.

    U

  • Utah: First cousins, yes, only if they are over a certain age or cannot bear children.

    V

  • Vermont: First cousins, yes.
  • Virginia: First cousins, yes.

    W

  • Washington: No
  • West Virginia: Adopted cousins, yes.
  • Wisconsin: First cousins once removed, yes, only if they are over a certain age or cannot bear children.
  • Wyoming: No

    X

    Y

    Z

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