Main country
United States
9,440 people
38.1% of total
Surname
Heffernan
24,773 worldwide · 61 countries
24,773
Total population
61
Countries
1 in every 326,969
Frequency
Rarity
Moderate
Dispersion
Global
Top countries
1
United States
9,440
38.1%
2
Ireland
5,328
21.5%
3
Australia
4,497
18.2%
4
England
2,398
9.7%
5
Canada
2,017
8.1%
World distribution
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