Dona Ana County, New Mexico Genealogy

United States New Mexico  Doña Ana County



County Courthouse
Doña Ana County Courthouse 180 West Amador; Las Cruces, NM 88001 Phone: 505.647.7285 County Clerk has marriage and probate records from 1870 and land records from 1801; Clerk District Court has divorce and court records

Parent County

 * Up until 1821 - New Spain controlled land that later would become New Mexico and Arizona. Some records of early settlers may have been sent to an archives in Seville, Spain, or to archives in Mexico City.
 * From 1821 until 1846 - Mexico had jurisdiction over the land that later would become New Mexico and Arizona. Some records of this period may have been sent to archives in Mexico City. United States forces occupied New Mexico starting in 1846 during the.
 * 1848 - Land that became Doña Ana County formally became a part of the United States when the Mexican-American War ended with the signing of the.
 * 9 January 1852 - Doña Ana County was created from unorganized territory. Doña Ana county extended west into land in present day Arizona.   There is a small chance that a few records from 1846 to 1863 in what is now Arizona may  have been sent to courthouses in their respective New Mexico counties.



Boundary Changes

 * 3 February 1855 - Doña Ana County gained all of the land. It then extended west to the Baja California border including land south of the Gila River in present day Arizona.
 * 29 December 1863 Arizona's three judicial districts were established by the Arizona Territory Organic Act  from the western half of New Mexico Territory. All previous counties were dissolved, and eventually four new counties were created in the new Arizona Territory.

Neighboring Counties

 * El Paso County, Texas
 * Luna
 * Otero
 * Sierra

Church History and Records
LDS Ward and Branch Records


 * Hatch
 * Las Cruces

Family History Centers

 * Introduction to LDS Family History Centers
 * Las Cruces New Mexico Family History Center
 * Las Cruces, New Mexico

Websites

 * Doña Ana County Trails To The Past