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Popular Duffy Names

52,325 results for people with the last name Duffy in the United States

Top 10 Male "Duffy" names
Top 10 Female "Duffy" names
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Where are all the Duffy families located? Find the top states with the most Duffy last names.
Did you know that Chicago, IL has the most Duffy family names in the US? Find top cities below.
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