George a few suggestions:

Look at the marriage record of the children of Nicolas to try to narrow down his death date. His burial record might mention who his parents are, where he was born, if he “Testo” (left a will). Keep in mind that he might not have been native to Aguascalientes.

Look for the christening record of the grandchildren of Nicolas. In those records the paternal and maternal grandparents are often mentioned and if they are deceased or not. By looking at the christening records you can find out when the grandparents died pretty easily, e.g. one child is christened and grandfather and or grandmother is or are alive, next christening grandfather and or grandmother is or are dead. Now you know to look for the death(s) between those two christening dates.

You also should look at "Información Matrimonial", if you have not done so already, and not just Nicolas's marriage record to Josepha. You need to look for the children and grandchildren’s records. You never know who will need a dispensa that might give you further generations.

Instead of working your way back you might get some breaks by working your way in the opposite direction.

The "Información Matrimonial" often has further information about: where the groom is from, where he now resides and for how long, his age, who his parents are, where they are from, If they are living or deceased, any prior marriage (to whom and how long since widowed or divorced), If he is part of the military, and the same goes for the bride (except for the military). Normally there are about four or more pages that might help further your research. For instance, sometimes the witnesses are relatives, the parents of the bride write a letter of consent, or a dispensa might be required.

If the Información Matrimonial is not found at the parish level then you need to look at the Juristiction for your parish. Which Archdiocese did your parish belong too? Once you find out then search for the Información Matrimonial at the Archdiocese.

Other records are often found at the Archdiocese. Like padrones (similar to a census) and confirmation records. The confirmations can give clues as to which of the children did not reach adulthood. Often children die while they are young, thus they are never confirmed. Why do I mention this, because now you know that you do not need to look as hard for the child’s marriage?

Always pay close attention to information in the margins especially if you see the word dispensa. Information in the margin usually has additional and or clarifying information.

I got a few hits when I was looking through pilot (Pilot.FamilySearch.org), you might want to take a look. Try name variations. Sorry I do not have any other information on your ancestors.
I have not researched that line yet. I hope some of these suggestions help you and or others.

P.S. You might want to try this same aproch for Thomas Macias. Nicolas and him are more than likely either brothers or cousins.

Regards,

Eduardo H Seoane

I think they should be Macías-Valadés due to the time fram of early Aguascalientes.
-Daniel

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