The best place I know is in the digitized Catholic church records of Mexico. Go to: https://familysearch.org/search/image/index#uri=https%3A%2F%...


Choose the state, then the town, then the parish (if there are more than one). Of course, you have to have a town/date range to look in. It's slow, but a treasure house of records. You can also try searching for individuals using the Familysearch.org site.

Raclare