From a surname: either the English surname Delaney or the Irish surname Delaney . Delaney originates in Old French language and means 'coming from the grove of alders'. It was derived from an old French surname and as a surname it functions until today, although lately it has become very popular as a feminine given name as well. Some sources suggest that Delaney might originate in Gaelic languages and mean 'from the black river'.
