How to Change Your Name in Colorado — Complete 2026 Guide

After marriage in Colorado, you can change your name using your certified marriage certificate as proof. This is the most straightforward Colorado name change process since no court order is required.

Getting Your Marriage Certificate

First, obtain a certified copy of your marriage certificate from the county clerk where you got your marriage license. You'll need this original or certified copy — photocopies won't work for official name changes. The certificate shows your legal name change from your prior name to your married name.

Step-by-Step Process

Start with Social Security first, since most other agencies require your updated Social Security card as proof of your name change. Visit your local Social Security office with your marriage certificate, current ID, and proof of citizenship. The new card arrives in 5-10 business days by mail after SSA processes your request.

Next, update your Colorado driver's license. The DMV requires your updated Social Security card, so update Social Security first. Check the Colorado driver's license agency for the current fee.

For your passport name change, you can use form DS-82 if your current passport was issued within the last 15 years and you were age 16 or older when it was issued. Mail the form with your current passport, marriage certificate, and new passport photo.

Timeline Expectations

The entire marriage name change process in Colorado varies in length once you have your marriage certificate. Check the vital records office. Social Security varies in length by mail after SSA processes your request, your driver's license is updated the same day with the permanent card arriving, and passport timing depends on current State Dept processing times. Check with each agency.

Colorado divorce name changes can happen in two ways: as part of your divorce decree or through a separate court step afterward (rules vary by state). If you want to restore your prior name, it's usually easier to include this request in your original divorce proceedings.

Name Restoration in Divorce Decree

The simplest approach is requesting name restoration when you file for divorce. If you have a lawyer, ask them to include a name-restoration clause; if not, ask the court self-help center how to request one. The final divorce decree will include language restoring your prior name, making the decree your proof of name change.

Once your divorce is final, use the certified divorce decree the same way you'd use a marriage certificate. Start with Social Security, then move to the DMV, passport, and other agencies. The decree must specifically state that your name is restored — if it doesn't mention the name change, you'll need a separate court order.

a separate court step (rules vary by state)

If your divorce decree didn't address the name change, you can take a separate court step (rules vary by state). In many states this works like a regular court name change, which can include a petition, fees and sometimes publication; check your state's court site.

This separate court step (rules vary by state) is more expensive and time-consuming than including name restoration in the original divorce, but it's available if needed. The process varies in length and requires filing fees that vary by county.

For name changes not related to marriage or divorce, Colorado adults must petition the district court in their county of residence. This court-ordered name change process is more involved but handles any reason for changing your name.

What Courts Consider

Colorado judges approve name changes unless they find fraudulent intent or the change would be harmful to public interest. Valid reasons include personal preference, religious beliefs, gender identity, professional reasons, or wanting to match a name you've used informally. Courts typically deny requests for names that are obscene, confusing, or intended to defraud creditors.

Processing Timeline

The entire court-ordered name change process varies in length in Colorado. This includes time for filing, publication, and scheduling the hearing. Some counties move faster than others, so check with your local court clerk for current timelines.

Changing a minor's name in Colorado requires court approval and involves additional considerations around parental consent and the child's best interests. The process protects children while allowing necessary name changes.

Parental Consent Requirements

Both biological parents must consent to the minor's name change, even if they're divorced or separated. If one parent objects, the court will hold a hearing to determine what's in the child's best interest. The petitioning parent must demonstrate that the name change benefits the child.

If one parent is deceased, absent, or has had their parental rights terminated, the court may proceed without their consent. You'll need to provide documentation showing why the absent parent cannot consent, such as a death certificate or termination order.

Guardian and Stepparent Situations

Legal guardians can petition for a ward's name change following the same process as parents. Stepparents wanting to change their stepchild's name must have the biological parent's consent and, if applicable, consent from the non-custodial biological parent.

In cases where the biological father is unknown or uninvolved, the court may still require attempts to notify him of the name change petition. Each situation is unique, so consulting with the court clerk about your specific circumstances is recommended.

Court Considerations for Minors

Colorado courts prioritize the child's best interest when evaluating minor name change petitions. Factors include the child's relationship with both parents, the reason for the change, the child's preference (if age-appropriate), and any potential confusion or harm from the name change.

For older minors (typically 12+), judges often consider the child's opinion about the name change. The court may interview the child privately to understand their feelings without parental pressure.

Colorado provides inclusive procedures for transgender and non-binary individuals changing their names and gender markers. The state recognizes that name changes are often essential for transgender people's safety, dignity, and legal recognition.

Name Change Process

The court petition process for gender identity-related name changes follows the same steps as other adult name changes: filing a petition, paying fees, publication, and a court hearing. However, Colorado courts can waive the publication requirement if it might subject the petitioner to harassment or discrimination.

When requesting publication waiver, explain in your petition how publication might threaten your safety or privacy. Many Colorado judges grant these waivers for transgender petitioners, recognizing the legitimate safety concerns around public disclosure.

Gender Marker Changes

Colorado allows gender marker changes on both driver's licenses and birth certificates. For your driver's license, the DMV accepts self-attestation — no court order or medical documentation required. You can choose male (M), female (F), or non-binary (X) markers.

Birth certificate gender marker changes require a court order. File a separate petition requesting both name change and gender marker amendment. The court typically grants both requests simultaneously, providing a single order that updates both your name and gender marker on your birth certificate.

Medical Documentation

Colorado doesn't require surgery or specific medical treatments for legal gender marker changes. Some courts may request a letter from a healthcare provider familiar with your gender transition, but this varies by judge and county. The letter should confirm your gender identity and that the change is appropriate.

Having medical documentation can strengthen your petition, but Colorado law increasingly recognizes self-determination in gender identity matters. Focus on explaining how the name and gender marker changes support your wellbeing and safety.