Main country
Spain
957 people
72.2% of total
Surname
Sieira
1,325 worldwide · 17 countries
1,325
Total population
17
Countries
1 in every 6,113,208
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Spain
957
72.2%
2
Argentina
154
11.6%
3
Brazil
88
6.6%
4
United States
84
6.3%
5
Venezuela
13
1%
World distribution
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