Ray Treacy Rovers fans when his penalty against Sligo helped win the FAI Cup in 1978. Treacy almost scored a hat trick for the Republic of Ireland national football team against Turkey in April 1978. The two goals he scored (along with the game's opening goal by Johnny Giles) represent the last occasion that a home-based player has scored for the senior Irish national team until 40 years later when in June 2018, Graham Burke, also a Shamrock Rovers player, scored against the United States. Treacy represented the League of Ireland in a friendly against Argentina in the Boca Junior Stadium in
Keith Treacy Matt Derbyshire. Treacy made his league debut for the club in the opening game of the season, in a 3-2 win over Everton on 16 August 2008. Treacy went on to make twelve appearance throughout the 2008-09 season. In July 2009, Treacy joined Sheffield United on a six-month loan deal, making his début for the Blades in a 0–0 draw with Middlesbrough on the first day of the 2009–2010 season. He soon followed his début up with two assists for the Blades against Watford the following week and a stunning long range goal three days later in a midweek match