Fagan Family History
Fagan Name Meaning
Irish:: shortened Anglicized form of Gaelic Ó Fágáin or Ó Faodhagáin dialect forms of Ó hÓgáin (see Hogan Hagan ) and Ó hAodhagáin (see Hagan ). Irish lenited f (spelled fh) is soundless and a number of words beginning with vowels have gained an initial f in some dialects; such seems to be the case here. occasionally an Anglicized form of Mac Phaidín (see McFadden ) or Ó Fiacháin (see Feehan ).
Source: Dictionary of American Family Names ©2013, Oxford University Press