Main country
United States
60 people
66.7% of total
Surname
Kiern
90 worldwide · 4 countries
90
Total population
4
Countries
1 in every 90,000,000
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
60
66.7%
2
Poland
17
18.9%
3
Argentina
12
13.3%
4
Brazil
1
1.1%
World distribution
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