Olive: A botanical name form the Latin. Olive branches are traditionally used as a symbol of peace. Relatives: Olivia, Olivette, Ollie, Olly, Olva, Livia, Livy, Nollie, Nola. Namesake: Olivia De Havilland, Olivia Hussey, "Olive Oyl."
OLIVER: Old Norse for "kind one" and Old French for "olive tree." Perhaps because of the Dickens classic, Oliver has been an enduring favorite in the United Kingdom and has enjoyed modest popularity in America. Relatives: Olivier, Olivero, Olley, Olly, Ollie, Noll, Nolly. Namesakes: Oliver Cromwell, Oliver Goldsmith, Oliver Hardy, Ollie North, Oliver Twist.
OLYMPIA: Greek for "of Mount Olympus." For a child with her head in the clouds. Relatives: Olympe , Olimpie. Namesake: Olympia Dukakis.
OMAR: Arabic for "first son" and "disciple," Hebrew for "gifted speaker," and German for "famous." Rooted in the Middle East, this name is rarely used in the West. Relative: Omer. Namesakes: Saint Omer, Omar Khayyam, General Omar Bradley, Omar Sharif, grandson of Esau.
OONA: Irish Gaelic and Latin for "unity." Relatives: Ona, Oonaugh, Oonagh. Namesake: Oona Chaplin.
OPAL: Sanskrit for "jewel." The opal is the birthstone for October babies. Relatives: Opaline, Opalina.
OPHELIA: Greek for "useful" or "wise." Relative: Ofelia, Ofilia, Ophelie, Phelia. Namesake: "Ophelia" in Shakespeare's Hamlet.
ORALIA: Latin for "golden" and Hebrew for "light." Relatives: Oriel, Orel, Orelda, Oriole, Orielle, Orlene, Orlena, Orpah, Oralee, Oralie, Oral, Ora, Orah, Oria, Orlie, Orly, Orabel. Namesakes: Oral Roberts, Baltimore Orioles, Orel Herschiser.