Marriage License Information for Warren County, Illinois

Below is all of the marriage license information you need in order to file in the county you will be married in. Please note that we have provided links to your county clerk’s official website as well as a link to the marriage license application form you will file.

Office Address 100 W. Broadway Monmouth, IL 61462 Office Hours Monday - Friday 8:00 a.m. - 4:30 p.m Closed on Holidays

Office Phone 309-734-8592

Useful Links County Website Marriage License Form

Is a Blood Test Required?
No

Does one of us need to go in person to apply?
Both of you

How much is it?

$50.00 Cash Only.

What do I need to bring?

Parents full names, including mother’s maiden names,the state where your parents were born, the city and state where your parents are living currently. If you or your fiancé have been previously married, we need to know the month and year, county and state where the marriage ended, whether by divorce or by death.

How To Apply:

Both the bride and groom or parties must be present to apply, and you must be at least 18 years old. You will be asked a series of questions and will sign an application.

When does It Expire:

The license is valid for 60 days after the effective date.

Name Change:
Filing for a marriage license in the state of Illinois does not cause your or your spouse’s last name to automatically change. Married name change services are available to guide you through the married name change process if you opt to change your name.

Same Sex Couple:
Use this online resource for more information about your state’s marriage legislation.