Here is the complete list of Female First Names beginning with O.

Obdulia

Ocie

Octavia

Oda

Ola

Olene

Oleta

Olevia

Olga

Olimpia

Olinda

Oliva

Oma

Omega

Ona

Ora

Oralee

Oralia

Oretha

Orpha

Oscar

Ossie

Ozell

Ozella

Ozie