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How to Change Your Name in Montana

Every Montana county handles name changes a little differently — different clerk offices, fees, and processing times. Below are detailed, county-specific guides plus the steps that apply statewide.

Pick your Montana county

Every Montana county is covered. Pick yours for the offices, fees and forms that apply where you live.

Beaverhead County Big Horn County Blaine County Broadwater County Carbon County Carter County Cascade County Chouteau County Custer County Daniels County Dawson County Deer Lodge County Fallon County Fergus County Flathead County Gallatin County Garfield County Glacier County Golden Valley County Granite County Hill County Jefferson County Judith Basin County Lake County Lewis and Clark County Liberty County Lincoln County Madison County McCone County Meagher County Mineral County Missoula County Musselshell County Park County Petroleum County Phillips County Pondera County Powder River County Powell County Prairie County Ravalli County Richland County Roosevelt County Rosebud County Sanders County Sheridan County Silver Bow County Stillwater County Sweet Grass County Teton County Toole County Treasure County Valley County Wheatland County Wibaux County Yellowstone County

The Montana name-change steps

1. Certified copies. Get them from your county clerk (marriage) or the Clerk of District Court (divorce or court order).
2. Social Security. Update your SSA record first — it's free.
3. Montana MVD. Reissue your license with your new name.
4. Passport. Submit the correct form with a certified copy.

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Frequently asked questions

How do I change my name in Montana?
Get certified copies of your marriage certificate, divorce decree, or court order, then update Social Security, your Montana driver's license, and your passport in that order. Exact offices and fees vary by county — pick your county below.
How long does a name change take in Montana?
A marriage or divorce name change usually takes a few weeks once you have certified copies. A court-order name change takes longer because of the petition and hearing.