Main country
United States
64 people
86.5% of total
Surname
Mccallough
74 worldwide · 2 countries
74
Total population
2
Countries
1 in every 109,459,459
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
64
86.5%
2
England
10
13.5%
World distribution
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