Falvey is a surname which is an anglicisation of the name ó Fáilbhe: in the Irish language ó means "descendant" [of] and "fáilbhe" literally means "lively, pleasant, sprightly, merry, cheerful" or, according to another historian, "joker". Other anglicisations include O’Falvie, O’Falvy, O’Failie, O’Falvey, Falvey, Fealy and Fealey.