McBride - Bumpus Genealogy
Anatomy of the " O " Surnames
Origin - Meanings of Surnames beginning with " O "
O ' H A R A
The decendant 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.
O L I N G E R
German: variant of Ohlinger.
name fro someone from Olling in Bavaria or Ollingen near Ulm, or form Olingen near Betzdorf.
O S B O R N (E)
(Origin Saxon) From hus, a house, and bearn, a child -- a family -- a family-child, an adopted child.