Main country
United States
2,869 people
66.9% of total
Surname
Ocallaghan
4,287 worldwide · 35 countries
4,287
Total population
35
Countries
1 in every 1,889,433
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
United States
2,869
66.9%
2
Ireland
805
18.8%
3
Australia
231
5.4%
4
England
196
4.6%
5
Canada
61
1.4%
World distribution
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