sateissa
Sateissa is a Finnish surname. As with many Finnish surnames, it is likely derived from a geographical feature or a characteristic of a place. The root of the name, "sade," can mean "rain" or "showers" in Finnish. The suffix "-issa" is a common ending for place names in Finland, indicating a location or a settlement. Therefore, "sateissa" could translate to something akin to "in the rainy place" or "at the place of showers."
The surname is not particularly common but is found among Finnish populations. Genealogical research suggests its