Main country
Australia
8 people
66.7% of total
Surname
Oldcastle
12 worldwide · 4 countries
12
Total population
4
Countries
1 in every 675,000,000
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Australia
8
66.7%
2
United States
2
16.7%
3
Ireland
1
8.3%
4
Philippines
1
8.3%
World distribution
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