Jääski
Jääski is a Finnish surname. It is derived from the Finnish word "jää," meaning "ice." The surname is relatively uncommon. Individuals with the surname Jääski can be found in Finland and in other countries with Finnish diaspora. Notable individuals named Jääski include Matti Jääski, a Finnish painter. The origin of the surname likely relates to a geographical feature or a characteristic associated with ice in historical Finnish settlement patterns. Further research into genealogical records and historical land registries would be required to pinpoint specific origins and early bearers of the name. As with many surnames, its dissemination and evolution are tied to migration and family lineage over generations.