I found this newspaper article about Hyrum Smith Hamson. He was born 22 Sep 1849 to George Frederick Hamson and Sarah Ann Smith.

Former Resident Dies In Mexico – December 19, 1912 – Box Elder Paper

Mr. George Hamson received word that his eldest brother, Hyrum Hamson died of dropsy on December 10th, down in Mexico. Mr. Hamson was formerly a resident of this city and was well known by the elder members of this community. He has made his home in Mexico for a number of years past. The remains were interred there.