O'Duffy: Last Name Origin and Family Crest
Behind the O'Duffy surname stands Duffy, an Irish name that clerks and families wrote in more than one way.
The O' in front of the name is a particle that was often added to Duffy on registers.
There is no single O'Duffy family crest for every bearer. Herald Lab researches the arms historically associated with the name and explains whose they were. Research your O'Duffy family history with a full surname report and painted coat of arms.