Main country
United States
70,945 people
95.1% of total
Surname
Callahan
74,597 worldwide · 68 countries
74,597
Total population
68
Countries
1 in every 108,583
Frequency
Rarity
Moderate
Dispersion
Global
Top countries
1
United States
70,945
95.1%
2
Canada
1,599
2.1%
3
Australia
1,104
1.5%
4
England
283
0.4%
5
New Zealand
83
0.1%
World distribution
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