William Blackburn Cahill, a former University of Washington football standout who later played defensive back for the Buffalo Bills, has died at the age of 75.
News of Cahill’s passing was announced on September 25, 2026, bringing remembrance from the Washington Huskies community and those who knew him during his football and professional careers.
Cahill was born May 5, 1951, in Bellevue, Washington, and spent his early years in the Seattle-area community. He graduated from Bellevue High School in 1969 before continuing his education and football career at the University of Washington.
William Cahill’s Washington Football Career
Cahill played for the Washington Huskies under head coach Jim Owens, developing into a dependable member of the team’s secondary.
His performances earned him Second-team All-Pac-8 honors in 1970.
By his senior season in 1972, Cahill had also taken on a leadership role within the team. He served as co-captain alongside quarterback Sonny Sixkiller, adding to his legacy at Washington.
His college career ultimately opened the door to professional football.
From the Huskies to the NFL
Cahill was selected by the New Orleans Saints in the seventh round of the 1973 NFL Draft, going 158th overall.
He ultimately spent his NFL playing career with the Buffalo Bills, appearing during the 1973 and 1974 seasons.
Cahill played in 19 NFL games, contributing largely on special teams.
Although his professional career lasted only two seasons, reaching the NFL represented another major milestone following his successful years with the Huskies.
Career With Boeing
After football, Cahill returned to the Seattle area and began a long professional career with Boeing, working in production management.
His life after the NFL extended far beyond the football field. He was remembered for his dependable approach to work and remained connected to the community where he had grown up.
His connection with the University of Washington also remained part of the legacy he left behind.
Remembering William Blackburn Cahill
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