Fintan is an Irish name meaning "white fire" or "fair flame."
Fintan is a name of deep antiquity in the Irish tradition, built from the Old Irish elements "fionn" (white, fair, bright — the same root that gives us Finn and Fionn Mac Cumhaill) and a second element variously analyzed as related to fire or ancient tribal terminology. Its most famous bearer in mythology is Fintan mac Bóchra, one of the most extraordinary figures in all of Irish legend: said to have arrived in Ireland before the Biblical flood, he survived by transforming into a salmon, then an eagle, then a hawk — witnessing thousands of years of Irish history in animal form before resuming human shape to become the living memory of the island. He is, in effect, Ireland's immortal archivist.
A second mythological Fintan appears in the story of the salmon of wisdom — the enchanted fish that absorbed all the world's knowledge from the hazelnuts of the sacred trees, and which the poet Finn Éces spent years trying to catch. This Fintan-salmon blurs with others in the tradition, creating a rich associative web where the name touches wisdom, transformation, survival, and memory. There were also early Christian saints named Fintan, including Fintan of Clonenagh, a sixth-century monk renowned for extreme asceticism.
Fintan has seen steady revival in Ireland and among the Irish diaspora over the past generation, part of a broader movement to reclaim genuinely ancient Gaelic names rather than the anglicized forms that dominated the Victorian and post-colonial eras. It ages exceptionally well — serious enough for an adult, warm enough for a child.