This database contains an index of aliens and some citizens crossing into the U.S. from Mexico via various ports of entry along the U.S.-Mexican border between 1895 and 1964. Specifically, this database covers the following ports, years, and records:
In addition, the names found in the index are linked to actual images of the records, copied from National Archives and Records Administration (NARA) microfilm (see Source Information for microfilm series information).
A variety of Immigration and Naturalization Service (INS) forms were used to record information about individuals entering the United States. Types of forms used included: List or Manifest of Alien Passengers for the U.S. Immigration Officer at Port of Arrival; Record of Aliens Arriving; Alien Laborer’s Identification Card; Land Border Departure Record; and Record of Registry. Due to the variety of forms, the amount of information available for an individual in this database will vary according to the form used and the questions asked on it. The database generally includes:
Additional information about an individual may be recorded on the original document and may be obtained by viewing the corresponding image. Some records even include a photograph of the individual or their family.
The majority of the records are arranged alphabetically by surname. Some are arranged by Soundex code. The records can include both permanent and temporary residence information, as well as statistical and nonstatistical arrivals.