From an Irish surname, an Anglicized form of Ó Fionnagáin meaning 'descendent of Fionnagán'. The name Fionnagán is a diminutive of Fionn. This was the name of a character in James Joyce's novel 'Finnegans Wake' (1939), the title of which was based on a 19th-century Irish ballad called 'Finnegan's Wake'. Finnegan is an anglicized version of the name 'O Fionnagain'. The 'O' means 'son of', and the name 'Fionnagan' itself is a derivative of 'Fionn', which means 'a fair haired person'.
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Finnegan name meaning. The meaning, origin, popularity and detailed name information of Finnegan.
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