Just my silly opinion on said names using the universal translator from up above:
Pojat: (boy)
Aaros: ok, cool archer dude with sun qualities?
Temppu: Sounds like an actual city or cooking seafood.
Roihu: The one dude who died in the Lord of The Rings series.
Iloittu: Win some $$$
Mjölnir: Well don't use this one too often unless your kid is special.
Filo: Fast like a car with good mileage.
Roihi: Finnish sphagetti with fish and some special meat.
Karhu: NOOOOOOOO! (unless special qualities are met)
Tytöt: (girl)
Semilla: sounds like a disease
Kalliope: very colorful, hopeful skywatcher
Eveliia: night time dancer
Ruuti: the gardener
Rosabella: THIS I actually like, don't know why
Vivana: Rock band alllll the way, she jams
Tennessee: No, don't like that state that much unless you are Elvis
Salvia: No, this is an actual perennial plant, but spicy
Evilia: Hey let's hang out and you can bite my neck
Pojat: (boys)
Uncas: can't perform
Haor: LOL but fearsome in cold weather and icy
Karhunpoika: bear boy in need of something
Merikarhu: happy bear
Armaani: warrior of good clothing
Cander: boring
Eversti: quick night
Sälli: fish sailor
Tytöt: (girls)
Macadamia: you are nuts
Xstina: if this is official, I like it but it is based on...u know
Talisha: Ravi Shankar would be proud
Pajunkissa: might be the sexiest chick so far.