Former GAA President Liam O'Neill passes away August 04, 2026Former GAA President Liam O'Neill. Former GAA President Liam O'Neill. Former GAA President Liam O'Neill has passed away following a recent illness. Paying tribute, GAA President Jarlath Burns said O'Neill's leadership left a lasting impact on the Association. The GAA President extended the sympathies of the Association to O'Neill's family.