Did your Mexican ancestors immigrate to the United States in the 20th century? This period of history witnessed significant waves of Mexican immigration to the U.S., both permanent and temporary. The types of immigration records introduced or refined during this era, provide a wealth of information.
Routinely check Ancestry for naturalization records pertaining to your immigrant ancestors and relatives. A visit to NARA Riverside in April confirmed that Ancestry still does not have all of the district court naturalization records from California online, but a discovery last week indicates they are closing this gap.