Los Alamos County, New Mexico Genealogy Guide
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Los Alamos County, New Mexico (Map It) was created on March 16, 1949 from Sandoval County and Santa Fe County. The county was named for its county seat of Los Alamos, New Mexico, which itself is the Spanish name for the cottonwood tree. Learn More About State of New Mexico History
Los Alamos County Cities and Towns include Los Alamos, White Rock.
Los Alamos County, New Mexico Courthouse Records
Los Alamos County, NM Courthouse
Please contact the each clerk's department to confirm mailing address, hours, fees and other information before visiting or requesting information because contact information sometimes changes. The Clerk's Office DOES NOT DO RESEARCH. The documents are available to interested parties, barring confidential issues. Most staff will assist people in finding the materials, but it is up to the individual to do the research.
The following dates indicates what vital, land, probate, and court records are in Los Alamos county. The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered.
- Los Alamos County Clerks office has Marriage Records from 1949, Land Records from 1949 and Probate Records from 1950. The County Clerks office has land records, including deeds, mining records, surveys, and plats; marriage records; and some probate records. Also Military discharges, liens, mortgages, powers of attorney, and miscellaneous affidavits may be found there.
- Los Alamos County 1st District Court Clerk has many responsibilities which include courts of general jurisdiction, including probate and divorce, actions, as well as jury trials.
Los Alamos County, New Mexico Census Records
- Learn More: State of New Mexico Census Records
- U.S. Federal Population Schedules: None
- Territorial Population Schedules: None
- U.S. Federal Census Mortality Schedules: None
- Selected U.S. Federal Census Agriculture Schedules: None
- Selected U.S. Federal Census Industry Schedules: None
- Union Veterans Schedules: None
Los Alamos County, New Mexico Vital Records
- Learn More: State of New Mexico Vital Records
- Birth & Death Records: from 1920 to present and delayed records since 1880.
- Marriage Records: None, See County Clerk's Office
- Divorce Records: None, See Magistrate Court's Office
- Locations: New Mexico Bureau of Vital Records
- Vital Records Online: USAVital or Social Security Death Index
- Vital Records by Mail: Birth Certificate, Death Certificate Applications.
- In Person: New Mexico Vital Records and Health Statistics, 1105 St. Francis Dr., Santa Fe, NM 87502; (505) 827-0121
Los Alamos County, New Mexico Resources
- Los Alamos Family History Center, 1967 18th St., Los Alamos, NM. Phone 505-662-3186
- Los Alamos Historical Society
- Los Alamos County, New Mexico Message Boards
- Los Alamos County, New Mexico Genealogy Forum read and post messages with other genealogy researchers for Los Alamos County