Do you have ancestors who lived in pre-statehood California? If so, there is a good chance you might find them in the Early California Population Project.
Genealogy Search Strategies
Articles about genealogy search strategies.
Last week I explained why you shouldn’t give up if you don’t find records pertaining to your Mexican ancestors when using the Search feature on FamilySearch. This post demonstrates how to quickly and directly find the digitized collections available online for your Mexican ancestors’ home state(s).
If you only use the Search feature to look for records on FamilySearch pertaining to your Mexican ancestors, you may be missing out on these very records. Examples from my own research show that the records are there, but just are not yet searchable.