Career
Hearn batted and threw right-handed. He was born in Ventura, California. A World War I veteran, Hearne played briefly for the Boston Red Sox from June 9–10 of 1910.
He was hitless in two at-bats appearances.
Following his playing career, he worked as a guard at the Veterans Affairs Complex in Los Los Angeles Hearne died in Sawtelle, California, at the age of 64.