| Term Served |
Chief Justice |
Informational |
| 2009- |
Mike McGrath |
Elected 2008. Previously, Montana Attorney General 2000 - 2008. |
| 2000-2008 |
Gray, Karla M. |
Appointed by Governor Stan Stevens 1991. Montana's first elected female Supreme Court Justice in 1992. Montana's first elected female Supreme Court Chief Justice in 2000. |
| 1985-2000 |
Turnage, J. A. |
County Attorney, Lake County 1953-1962. Montana House of Representatives 1962-1964. Montana State Senate 1965-1984. |
| 1978-1985 |
Haswell, Frank I. |
District Judge 11th Judicial District 1959-1967. Appointed Justice of the Supreme Court 1-8-67 and served until his appointment as Chief Justice to replace Paul G. Hatfield March 10, 1978. |
| 1977-1978 |
Hatfield, Paul G. |
District Judge 8th Judicial District 1961-1976. Appointed to the U. S. Senate January 22, 1978. Appointed Federal Judge, May 10, 1979. |
| 1957-1977 |
Harrison, James T. |
Appointed Chief Justice January 7, 1957 to replace Hugh R. Adair. |
| 1947-1956 |
Adair, Hugh R. |
Lieutenant Governor 1936-1940; Associate Justice 1943-1946; Chief Justice 1947-1956; Associate Justice 1957-1968. Served a total of 25 years on the Supreme Court. |
| 1946-1946 |
Lindquist, Carl |
Appointed April 1, 1946 to replace Howard A. Johnson. |
| 1939-1946 |
Johnson, Howard A. |
Resigned April 1, 1946. |
| 1938-1939 |
Goddard, 0. P. |
Constitutional Convention Delegate 1889; District Judge, 13th Judicial District, 1925-1936. Appointed to replace Justice Walter B. Sands June 20, 1938. |
| 1935-1938 |
Sands, Walter B. |
Died in office June 13, 1938. |
| 1922-1935 |
Callaway, Llewellyn L. |
District Judge 5th Judicial District 1905-1913. Appointed September 28,1922, to replace Chief Justice Theodore Brantly. |
| 1899-1922 |
Brantly, Theodore |
District Judge 3rd Judicial District 1894-1898; Died in office September 16, 1922. Served 23 years and was the longest serving Chief Justice to date. |
| 1893-1899 |
Pemberton, William Y. |
Delegate Constitutional Convention, 1866; Delegate Constitutional Convention, 1884; District Judge, 2nd Judicial District, 1890-1893. |
| 1889-1893 |
Blake, Henry N. |
Appointed by President Grant as Associate Justice, Territorial Supreme Court 1875-1885; Appointed Chief Justice by President Harrison to replace N. W. McConnell and served until his election to the position in 1889. District Judge, 1st Judicial District 1894-1896. Served as Court Commissioner 1905. |
| 1887-1889 |
McConnell, N. W. |
Sworn in May 2, 1887 to replace Decius S. Wade. Resigned March 1, 1889. Appointed by President Cleveland. |
| 1871-1887 |
Wade, Decius II. |
Appointed March 17, 1871, by President Grant to replace Henry L. Warren. |
| 1868-1871 |
Warren, Henry L. |
Appointed July 18, 1868, by President Johnson to replace Hezekiah Hosmer. |
| 1864-1868 |
Hosmer, Hezekiah L. |
Appointed Chief Justice June 30, 1864, by President Lincoln. |