Tyyskä
Tyyskä is a Finnish surname.
Geographical distribution
As of 2014, 96.0% of all known bearers of the surname Tyyskä were residents of Finland and 3.5% of Sweden.In Finland, the frequency of the surname was higher than national average in the following regions:
- 1. Southern Savonia
- 2. Kymenlaakso
- 3. North Ostrobothnia
- 4. Central Finland
- 5. South Karelia
- 6. Uusimaa
- 7. Northern Savonia
- 8. Päijänne Tavastia