Whether Vainamoinen was ever worshipped as a god is genuinely unsettled. In the folk poetry he stands at the boundary of the human and the divine, born of the primal maiden Ilmatar, old at his birth, a demiurge who has a hand in shaping the world, yet also a hero who courts, quarrels and is refused. Some scholars see a faded deity; others a culture-hero who never was a god; the Kalevala itself, by casting him as its central figure, has fixed one particular reading of him in the national imagination. His departure at the epic's close, sailing away while promising his songs and his kantele will remain, was reworked by Lonnrot into a near-messianic farewell, coloured by the Christian frame within which the last runes were sung. The figure we meet is therefore triply mediated: archaic belief, centuries of oral reshaping, and a nineteenth-century editor's design.
The songs survived longest, and richest, in Archangel Karelia, the Russian-ruled, Orthodox-Christian region east of the Finnish border, where scholars judge that the older oral tradition kept its footing considerably longer than under the Lutheran church that governed Finland proper and worked more systematically against sung paganism. Lonnrot's own principal collecting journeys, made between 1828 and the early 1840s, therefore drew disproportionately on Archangel Karelian singers, so that the Vainamoinen the Kalevala preserves is filtered through a specific regional and confessional accident of survival rather than an even sample of older Finnic belief.