Completed accountancy exams before turning professional.
Second cousin of former NFL quarterback Joey Harrington.
Distant cousin of poker player Dan Harrington.
Received an honorary degree from the University of St. Andrews just prior to the 2010 Open Championship. Other honorary degrees have come from Maynooth University of Ireland, Fellowship of the Royal College of Surgeons and John Morris University (Liverpool).
Is an ambassador for Special Olympics, R&A's Working for Golf program and Golf Ireland.
Represented Ireland at the 2016 Olympic Games in Rio and said "I'm an Olympian now and no one can ever take that away from me."
Charity is Padraig Harrington Charitable Foundation. Also supports the Make-a-Wish Foundation and the Oesophageal Cancer Fund, among others.