Longest-serving altar boy Tommy Kinsella began serving Mass in the Church of the Holy Redeemer, Bray, Co Wicklow, in 1917 and continued to do so for 81 years until his death in 1999
Fastest drinker of two pints of Guinness Patrick Carelli drank two pints of Guinness stout in 6.90 seconds at Keeling's Bar, Donabate, Co Dublin, in 2001
Most UK singles to début at No 1 Westlife had 12 singles debut at No 1 between May 1st, 1999 and November 22nd, 2003
Fastest turkey-plucker Vincent Pilkington of Co Cavan plucked a turkey in one minute 30 seconds on RTÉ television on November 17th, 1980
Most trees planted in an hour 2,000 oak trees were planted in one hour by 100 people from Balla, Co Mayo as part of a Millennium celebrations in 2000
Largest simultaneous yo-yoing event 426 people yo-yoed for two minutes and at the RDS, Dublin in 2002
Loudest roar at an outdoor sporting event Peak readings of 125.4dBA were recorded during the Ireland v Scotland rugby international on February 7th, 1998.
Highest sheaf toss Micheal O'Brien tossed a 3.62 kilo sheaf 18 meters and 33 centimeters into the air at the National Ploughing Championships, Laois in 2002.
Most points scored by an individual in a Six Nations rugby match Ronan O'Gara (left) scored 30 points for Ireland in their winning game against Italy at Lansdowne Road in 2000.