Her death certificate indicates that she died of bronchial pneumonia, brought on by "Summer complaint" and infectious diarrhea. I had not heard of "Summer complaint", so I decided to look it up.
According to Dictionary.com, "Summer complaint" is


Coincidentally, today is El Dia de los Muertos - the Day of the Dead.
I recognized the names of the parents of the deceased as my grandparents, Robert Baca and Terecita (Teresa) Torres, and that the death place was Socorro, New Mexico. A Robert Lewis Baca, the son of my grandparents, died on 6 May 1931. He was 0 years old.
I knew that although my father was the oldest child of his parents, he certainly was not the first one born. He was also not the first one with the name Robert Baca. According to my father, my grandparents had a child who was either stillborn or died soon after birth by the name of Robert Luis Baca. This abstract confirms that I had an uncle who died as a baby.
Happy Halloween!

Below is Estevan's death certificate. According to this record, he was a White male who was married to Delfina Tores. He was born on 30 October 1887 and died on 20 September 1936 in Socorro, New Mexico. His occupation was clerical, and he worked for the conservancy district; he last worked there in February 1932. His father was Samuel Zimmerly, who was from Germany (Samuel's marriage records indicates that he was "Swiss".) His mother was Paublita Torres of Socorro. R.M. Zimmerly was the informant for this record.
His death certificate lists a number of ailments that he suffered from. Since it's hard to read the handwriting, I won't try to guess what they were. My understanding was that he was left paralyzed from a botched operation, and that this somehow led to his death.
