Discover the meaning of your name.

Start Now
Free Surname Dictionary Over 70,000 Surname Origins

Family History and Genealogy Resources by Surname

O'Hara Surname Origin

(Origin Irish) The descendant of 'Hara,' Chaldee form of ara, a mountain. In Gaelic, arra signifies a pledge, treachery; arr, a stag, a hind; arradh, an armament; ara, plural of ar, slaughter, battle. Hara, Saxon, a hare.

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.

O'Hara  Surname Meaning and Family Facts

O'Hara Last Name Meaning
Search the FREE Name Dictionary.

There is more to O'Hara family history than the origin of your surname:

Start your Genealogy to find your personal O'Hara family ancestry. It's easy to get started. Just begin your family tree with what you already know. Learn More.

A O'Hara 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

To find additional surnames, choose the first letter of surname:
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z