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Changing a Child's Last Name

Wisconsin statute 786.36 governs any resident of the state, whether a minor (14 years or older) or adult, upon petition to the circuit court of the county where he or she resides, may if no sufficient cause is shown to the contrary, have his or her name changed or established by order of the court. If the person whose name is to be changed is a minor under the age of 14 years, the petition may be made by whichever of the following is applicable:

  1. Both parents, if they are living, or the survivor of them.
  2. The guardian or person having legal custody of the minor, if both parents are dead or if the parental rights of both parents have been terminated by judicial proceedings.
  3. The minor’s mother, if the minor is a non-marital child who is not adopted or whose parents do not subsequently intermarry and if paternity of the minor has not been established.

Sole Custody Alone Does Not Permit a Name Change

Many parents believe they have the right to change their child’s name if they have sole custody, but this is not the case. Wisconsin Statute 786.36 outlines the requirements for child name changes in Wisconsin. Having sole custody alone is not enough, especially if the other parent has a close, loving relationship with the child. If you cannot agree on the child’s name and aren’t open to a hyphenated last name, there are a few circumstances where the child’s name can be changed without consent.

Paternity Name Change

Wisconsin statute 767.89 governs a name change of a minor child when paternity is established. There are two scenarios in which the court can change a child’s last name in a paternity case.

  1. Upon the request of both parents, the court shall include in the judgment or order determining paternity an order changing the name of the child to a name agreed upon by the parents.
  2. The court may include an order in the judgment to change the surname of the child to a surname consisting of the surnames of both parents separated by a hyphen.

Changing a Child's Last Name Without Consent

If you wish to change your child’s surname, there are situations where a petition will be approved without the consent of both parents. Ultimately, the court will consider the best interest of the child. Circumstances when a child’s surname can be changed without consent include:

1

Parental Rights Were Terminated

If one parent’s parental rights were legally terminated, a name change will be approved without their permission.

2

No Paternal Rights Were Established

If paternal rights were not established and the unmarried mother has sole physical custody, the mother may change the child’s last name without permission.

3

The Other Parent is Missing

If the petitioning parent is unable to locate and notify the other parent, a name change may be approved without permission.

4

The Other Parent Has Committed A Serious Crime

If a parent is convicted of a serious crime, the other parent may change the name of a minor under 14 without notice. Examples of such crimes include (but are not limited to):

  • Various degrees of murder/homicide
  • Sexual assault/sex crimes/pornography/exposure
  • Trafficking
  • Incest
  • Exposing a child to harmful material/descriptions

What Does the Court Factor During a Name Change

The court will factor in the best interests of the child when overriding one parent’s disapproval.

The court will consider:

  1. How long the child has had their last name.
  2. How a name change will affect the child.
  3. How a name change affects the child’s future with their parents.
  4. The need for identity within a new family.
  5. What the child wants.
  6. Other significant factors.

How much does it cost to change a child's last name?

As of April 19, 2021, the filing fee to change a child’s last name is $164.50 in most Wisconsin counties. This amount is owed if the child’s name change is the only issue being heard in front of the court. If there is a pending paternity action and a name change is brought up within that case, there is no additional fee required.

FAQ

How much does it cost to change a child's name in WI?

In most counties, a $164.50 fee is required as of March 4, 2019. However, if a name change is brought as a part of another motion or paternity-related issue, there is no change.

File a Petition for Change of Name through the Wisconsin Court System. There are 2 different forms. One for a minor under 14 and one for a minor over 14.

Generally, yes – unless paternity was not established, the child was abandoned, parental rights were terminated or a serious crime was committed.

Wisconsin Statutes 69.11(3)(b) allows you to change your child’s name without a court order, for up to 365 days after his/her birth. To do this, contact the Wisconsin Office of Vital Record.

No, divorce alone will not grant a name change for your child.

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