Byron Richard Smith of Wisconsin and then to Omaha, Nebraska

I am researching Byron Richard Smith he was born in Wisconsin on February 26, 1871 and Died in Omaha, Nebraska on March 15, 1950.
We know that his Father's was born in Ireland and came over to America and his Parents Died on the way over and People with the Last name of Smith adopted him his Last from Ireland was McGillacuty that is all the Information I have.