Delaney Family History
Delaney Name Meaning
English (of Norman origin): variant of Laney with fused preposition de. Irish: Anglicized form influenced by the Norman name of Gaelic Ó Dubhshláine ‘descendant of Dubhshláine’ a personal name composed of the elements dubh ‘black’ + slán ‘challenge defiance’. MacLysaght however suggests that this element may be from the Sláinge river.
Source: Dictionary of American Family Names ©2013, Oxford University Press