Main country
Ireland
5,760 people
70.1% of total
Surname
O'riordan
8,218 worldwide · 38 countries
8,218
Total population
38
Countries
1 in every 985,641
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Ireland
5,760
70.1%
2
England
1,465
17.8%
3
United States
311
3.8%
4
Australia
276
3.4%
5
Canada
168
2%
World distribution
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