Kuivaina
Kuivaina is a Finnish surname. As with many Finnish surnames, its origin likely relates to descriptive words from the Finnish language. "Kuiva" directly translates to "dry" in English. The suffix "-ina" can have various grammatical functions in Finnish, sometimes indicating a plural or a possessive. Therefore, "Kuivaina" could potentially refer to a place characterized by dryness, or perhaps a family or group associated with such a place.
The distribution of the surname Kuivaina is primarily within Finland. It is not a widely common surname