- Octavio (24,000)
- Odell (30,000)
- Odis (15,000)
- Olen (15,000)
- Olin (18,000)
- Oliver (120,000)
- Ollie (30,000)
- Omar (108,000)
- Omer (15,000)
- Oren (15,000)
|
- Orlando (111,000)
- Orval (15,000)
- Orville (72,000)
- Oscar (366,000)
- Osvaldo (18,000)
- Oswaldo (12,000)
- Otha (12,000)
- Otis (123,000)
- Otto (54,000)
- Owen (78,000)
|
 | |
- Obdulia (6,000)
- Ocie (9,000)
- Octavia (24,000)
- Oda (3,000)
- Odelia (3,000)
- Odell (9,000)
- Odessa (39,000)
- Odette (9,000)
- Odilia (6,000)
- Ofelia (45,000)
- Ok (12,000)
- Ola (60,000)
- Olene (3,000)
- Oleta (15,000)
- Olevia (3,000)
- Olga (210,000)
- Olimpia (3,000)
- Olinda (3,000)
- Oliva (9,000)
- Olive (90,000)
- Olivia (147,000)
- Ollie (81,000)
- Olympia (6,000)
|
- Olympia (6,000)
- Oma (21,000)
- Omega (6,000)
- Ona (15,000)
- Oneida (6,000)
- Onie (3,000)
- Onita (3,000)
- Opal (150,000)
- Ophelia (33,000)
- Ora (81,000)
- Oralee (3,000)
- Oralia (18,000)
- Oretha (3,000)
- Orpha (12,000)
- Oscar (3,000)
- Ossie (6,000)
- Otelia (3,000)
- Otha (3,000)
- Otilia (9,000)
- Ouida (9,000)
- Ozell (3,000)
- Ozella (6,000)
- Ozie (3,000)
|
