Bill Tierney was born on August 6, 1950, in the United States. His formation as an athlete and as a student took place within American institutions, and his identity as a lacrosse player would remain a defining characteristic throughout his life.

Tierney's educational path led him through two institutions in the northeastern United States. He attended the State University of New York at Cortland, where his development as both a student and a lacrosse player continued to take shape. He subsequently pursued further education at Adelphi University, rounding out an academic record that spanned two distinct campuses.

As a lacrosse player and a citizen of the United States, Tierney engaged with a sport that carried significant cultural weight in American athletic life. His connection to the game was sustained across the years of his education and beyond, linking his personal biography to a broader tradition of American collegiate athletics.

The available record does not include a date or place of death for Tierney, nor does it provide details about specific roles or positions he held after completing his education. What remains documented is that he was born on August 6, 1950, educated at the State University of New York at Cortland and at Adelphi University, and identified throughout his life as a lacrosse player and an American citizen.