Family History and Genealogy Resources by Surname
Kennedy Surname Origin
From the Gaelic or Celtic words Kean-na-ty; the head of the house, or chief of the clan. Ceannaide signifies also a shopkeeper, a merchant.
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.
Kennedy Surname Meaning and Family Facts
There is more to Kennedy family history than the origin of your surname:
A Kennedy Family History Thought:
'Every man is his own ancestor, and every man his own heir. He devises his own future, and he inherits his own past.' -- H. F. Hedge