New Mexico. District Court (4th Judicial District)

Mora County, New Mexico was established in 1860 and formed part of the 1st Judicial District of the United States Territorial Courts in New Mexico. In 1887 Mora County was transferred from the 1st to the 4th Judicial District. Upon statehood in 1912 the Territorial Courts became the New Mexico District Courts.

Guadalupe County, New Mexico was established in 1891 and formed part of the 4th Judicial District of the United States Territorial Courts in New Mexico. By an act of the New Mexico Legislature Guadalupe County was renamed Leonard Wood County for the years 1903 to 1905. In 1904 Leonard Wood County was transferred from the 4th to the 6th Judicial District and in 1912, as Guadalupe County, it was transferred back to the 4th Judicial District. Upon statehood in 1912, the Territorial Courts became the New Mexico District Courts.

With the occupation of New Mexico in 1846 by the United States, seven political sub-divisions established by Mexico in 1844 were recognized as counties under the Kearny Code of Laws. San Miguel was one of these original seven counties. New Mexico remained under a military form of government until September 9, 1850, when an Act of Congress established the Territory of New Mexico. On January 9, 1852, the boundaries of the counties were fixed by an Act of the Territorial Legislative Assembly. San Miguel County was placed in the 1st Judicial District of the United States Territorial Courts in New Mexico in 1846. In 1877, San Miguel County was transferred from the 1st to the 4th Judicial District. Upon statehood in 1912, the Territorial Courts became the New Mexico District Courts.