US Immigration Mexican Border Crossings

Numerous Mexicans came to Arizona, California, New Mexico, and Texas in the late 19th and early 20th century. Records of 20th century Mexican border crossings are available at the National Archives and Family History Library. These include:

Arizona

• Aros Ranch, Douglas, Lochiel, Naco and Nogales, Arizona, alien arrivals 1906-1910
  
• Douglas, alien arrivals 1906-1955
  
• Nogales, index and manifests 1905-1952
  
• Sasabe/San Fernanodo, index and manifests 1919-1952