San Mateo County CA Immigration Records

USA (1,111,225) > California (29,714) > San Mateo County (895) > San Mateo County Immigration Records (8)

USA (1,111,225) > California (29,714) > California Immigration Records (265) > San Mateo County Immigration Records (8)

Note: This page primarily lists records kept at the county level. Statewide collections are found on the California Immigration Records page.

San Mateo County Immigration Records

A finding aid for naturalization documents in San Mateo County, California Family History Library

California, San Mateo County Records, 1851-1991 Family Search

California, San Mateo County Records, 1851-1991 (marriage intentions, naturalizations, deeds, patents, homesteads, and military service discharges) Family Search

California, San Mateo County, naturalization records, 1856-1920 Family History Library

Index to Naturalization In the U.S. District Court for the Northern District of California, 1852 - ca. 1989 Ancestry

San Mateo County naturalization index Family History Library

US Naturalization Records, Northern California, 1852-1989 MyHeritage