Family History and Genealogy Resources by Surname
Ryan Surname Origin
(Origin Irish) shortened form of O’Ryan, an Anglicized form of Gaelic Ó Riagháin ‘descendant of Rian’. King. Ryan is one of the common surnames in Ireland
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Ryan Surname Meaning and Family Facts
There is more to Ryan family history than the origin of your surname:
A Ryan Family History Thought:
'I don't know who my grandfather was; I am much more concerned to know what his grandson will be.' --Abraham Lincoln