In this post, you can search an online Index to The Archivos Historicos de Monterrey. Yes, the Monterrey Archives has a searchable index.
They have wealth of information dating back to the 1500’s. I can also bet you that your ancestors are listed there.
Even if you do not get copies of the original images you will get the genealogical information just form this index.
I have used this website many times and have found several documents on some of my ancestors.
Screen Shot of Archivos Historicos de Monterrey Index
Here is the link to the Archivos Historicos de Monterrey Index:
BY using the above website I have mostly been finding documents dated between 1680 to 1720’s.
Almost forgot, don’t be misguided by the name, it contains documents on what used to be Nuevo Reino de Leon which includes Tamaulipas and South Texas. It also contains documents in French and English.”
When you find a document on the index, you can use the website mentioned in the related article down below to get a copy of the original record.
Other Related Articles That May Be of Interest To You
The Historical Archives of Monterrey are Now Online (Find Original Documents of the Index Here)