Main country
United States
142 people
86.1% of total
Surname
Heffernon
165 worldwide · 5 countries
165
Total population
5
Countries
1 in every 49,090,909
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
142
86.1%
2
England
18
10.9%
3
U.S. Virgin Islands
3
1.8%
4
Brazil
1
0.6%
5
Canada
1
0.6%
World distribution
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