Tyyskä is a Finnish surname.

Geographical distribution

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As of 2014, 96.0% of all known bearers of the surname Tyyskä were residents of Finland (frequency 1:14,277) and 3.5% of Sweden (1:703,340).

In Finland, the frequency of the surname was higher than national average (1:14,277) in the following regions:[1]

People

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References

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