The government entity responsible for maintaining vital records in Montana is the Montana Department of Public Health & Human Services, where they issue certified copies of birth, death, divorce & marriage records. Specific county departments can provide the oldest records for events that occurred in that county.
Below is a table showing the year ranges that the Montana Department of Public Health & Human Services can provide:
| Record Type | Available From |
|---|---|
| Montana Birth Records | 1907 – 2025 |
| Montana Death Records | 1907 – 2025 |
| Montana Divorce Records | July 1943 – 2025 |
| Montana Marriage Records | July 1943 – 2025 |
| County | Year Founded |
|---|---|
| Beaverhead County, MT | 1864 |
| Big Horn County, MT | 1864 |
| Blaine County, MT | 1912 |
| Broadwater County, MT | 1897 |
| Carbon County, MT | 1895 |
| Carter County, MT | 1917 |
| Cascade County, MT | 1887 |
| Chouteau County, MT | 1865 |
| Custer County, MT | February 2, 1865 |
| Daniels County, MT | 1920 |
| Dawson County, MT | January 15, 1869 |
| Deer Lodge County, MT | 1864 |
| Fallon County, MT | December 9, 1913 |
| Fergus County, MT | 1885 |
| Flathead County, MT | 1893 |
| Gallatin County, MT | 1864 |
| Garfield County, MT | 1919 |
| Glacier County, MT | 1919 |
| Golden Valley County, MT | March 8, 1920 |
| Granite County, MT | 1893 |
| Hill County, MT | 1912 |
| Jefferson County, MT | 1864 |
| Judith Basin County, MT | December 10, 1920 |
| Lake County, MT | 1923 |
| Lewis and Clark County, MT | 1864 |
| Liberty County, MT | 1919 |
| Lincoln County, MT | 1909 |
| McCone County, MT | 1919 |
| Madison County, MT | 1864 |
| Meagher County, MT | 1867 |
| Mineral County, MT | 1914 |
| Missoula County, MT | February 2, 1865 |
| Musselshell County, MT | 1911 |
| Park County, MT | 1887 |
| Petroleum County, MT | November 24, 1924 |
| Phillips County, MT | 1913 |
| Pondera County, MT | 1919 |
| Powder River County, MT | 1919 |
| Powell County, MT | 1901 |
| Prairie County, MT | 1915 |
| Ravalli County, MT | 1893 |
| Richland County, MT | 1914 |
| Roosevelt County, MT | 1919 |
| Rosebud County, MT | 1901 |
| Sanders County, MT | 1906 |
| Sheridan County, MT | March 11, 1913 |
| Silver Bow County, MT | 1881 |
| Stillwater County, MT | 1913 |
| Sweet Grass County, MT | 1895 |
| Teton County, MT | 1893 |
| Toole County, MT | 1914 |
| Treasure County, MT | 1919 |
| Valley County, MT | 1893 |
| Wheatland County, MT | 1917 |
| Wibaux County, MT | 1914 |
| Yellowstone County, MT | February 26, 1883 |