Google tells me he is 61 years old, born in 1949. But that might not be the right Pat Duffy.
Pat Duffy has written: 'Variations' -- subject(s): English language, Oral communication, Problems, exercises, Reading comprehension, Textbooks for foreign speakers
The Daily Habit - 2005 Pat Duffy 1-111 was released on: USA: 6 March 2006
duffy is 42 years old Duffy Looks 45
The welsh singer 'Duffy' is 24 years old
Julia Duffy is 66 years old (birthdate: June 27, 1951).
As of the 2014 MLB season, Danny Duffy is 25 years old.
Billy Duffy is 50 years old (birthdate: May 12, 1961).
Chris Duffy is 31 years old (birthdate: April 20, 1980).
Karen Duffy is 56 years old (birthdate: May 23, 1961).
Richard Duffy is 26 years old (birthdate: August 30, 1985).
Troy Duffy is 45 years old (birthdate: June 8, 1972).
Keith Duffy is 36 years old (birthdate: October 1, 1974).