Finnigan is an uncommon yet intriguing given name of Irish origin, meaning 'fair-haired' or 'blond'. Derived from the Irish word 'Fionn', which also translates to 'white' or 'clear', Finnigan implies a sense of purity and brightness. Historically, it has been used as both a first name and a surname in Ireland. The name gained some popularity outside Ireland due to its use in Irish literature and folklore, particularly in works by authors like James Stephens and William Butler Yeats.
"Finnigan experienced a significant rise in popularity during the early to mid-2000s, with birth numbers peaking at 39 in 2008 and remaining consistently high until 2014. Since then, there's been a steady decline, with births in 2023 being the lowest recorded since 2000."