59%RatingSave Gender Masculine Usage Finnish, Finnish Mythology Pronounced Pron. SEHP-po(Finnish) [key·IPA] Meaning & History Derived from Finnish seppä meaning "smith". Seppo Ilmarinen ("the smith Ilmarinen") is the name of a master craftsman in the Finnish epic the Kalevala. Related NamesFamily Tree·Details DiminutiveSepi(Finnish) Same SpellingSeppo 2 Name DaysName Days? Finland: June 10 Categories crafts, Finland in the Eurovision Song Contest, Finnish words, word names