Main country
United States
1,179 people
99.6% of total
Surname
Mcduffy
1,184 worldwide · 5 countries
1,184
Total population
5
Countries
1 in every 6,841,216
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
1,179
99.6%
2
Poland
2
0.2%
3
Australia
1
0.1%
4
England
1
0.1%
5
Ireland
1
0.1%
World distribution
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