North Americans
- Brian Duffy (astronaut), American astronaut
- Bruce Duffy, Irish-American novelist, author of The World as I Found It
- Brad Duffey, American Bad-Ass
- Charles John Duffy, American WWII pilot, namesake of USS Duffy
- Chris Duffy (baseball), American baseball player
- Francis P. Duffy, Canadian-American Catholic priest
- Gerald Duffy, American screenwriter
- Hugh Duffy, American baseball player
- J. C. Duffy, American cartoon artist
- James E. Duffy, Jr., United States Democratic Party nominee for the Hawaii Supreme Court
- James Duffy (athlete), Irish-Canadian distance runner
- James Duffy (psychiatrist), neuropsychiatrist, and (former?) associate professor of clinical psychiatry at the University of Connecticut
- Jo Duffy, American comics book writer
- John Duffy (soccer), U.S. soccer player at 1928 Summer Olympics
- John A. Duffy, American bishop
- Julia Duffy, American actress
- Karen Duffy, American model and actress
- Megan Duffy (born 1984), American basketball player and coach
- Mike Duffy, Canadian senator, retired television journalist
- Pat Duffy, American skateboarder
- Patricia Lynne Duffy, synesthete
- Patrick Duffy (born 1949), American television actor
- Robert Duffy (politician), American mayor
- Roger Duffy, American architect
- Romney Duffey, American/Canadian scientist
- F. Ryan Duffy, American politician
- Sean Duffy, a politician from Colorado
- Terry Duffy (disambiguation)
- Thomas C. Duffy, composer, conductor, Yale University professor
- Thomas J. Duffy, American craftsman/designer
- Troy Duffy, American actor and film director
- Uriah Duffy, bass player in Whitesnake and many other bands
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Famous quotes containing the words north and/or americans:
“I felt that he, a prisoner in the midst of his enemies and under the sentence of death, if consulted as to his next step or resource, could answer more wisely than all his countrymen beside. He best understood his position; he contemplated it most calmly. Comparatively, all other men, North and South, were beside themselves.”
—Henry David Thoreau (1817–1862)
“Many Americans imagine simpler times even as a storm of social change swirls about, blowing parents here and children there. Sure, the 1950s ideal world would be wonderful. But knock on the nation’s doors: Ozzie and Harriet are seldom at home.”
—Leslie Dreyfous (20th century)