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Celtic Names Starting with O

Browse 47 celtic baby names starting with the letter O.

Celtic Boy Names with O30Celtic Girl Names with O17All Celtic Names

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O'

Descendent of. Irish surnames formed by prefaci...

7/6

O'brian

Surname.

9/5

O'brien

Surname.

22/9

O'keefe

Surname.

5/11

O'shay

Surname.

8/5

O'shea

Surname.

3/3

OIwyna

White foot print.

3/33

Obharnait

The color of olive.

1/7

Odanodan

Of the red earth.

7/5

Odgar

Legendary son of Aedd.

8/9

Odhran

Pale green.

6/33

Oengus

One vigor.

11/9

Ofydd

Welsh form of Ovid 'a Roman poet'.

6/9

Ogilhinn

From the high peak.

3/7

Ogilvie

From the high peak.

8/7

Ohnicio

Honor.

11/1

Oidhche

Night.

3/7

Oifa

Mythical sister of Ove.

8/22

Oilbhe

Olive.

5/33

Oilell

A mythical queen.

22/11

Ol

Legendary son of Olwydd.

1/9

Oliphant

Great strength.

7/5

Olive

Olive.

22/9

Olwen

Mythical daughter of Yspaddaden.

8/6

Olwina

White foot print.

5/11

Olwydd

Tracker.

7/11

Omat

The color of olive.

7/4

Ondyaw

Legendary son of a French Duke.

6/1

Oonagh

Lamb. Can also be an Irish variant of Latin Una...

1/33

Oran

White.

6/3

Orghlaith

Golden.

4/8

Oriana

Blond.

8/4

Orin

White.

6/11

Orla

Golden.

4/1

Orlaith

Golden.

5/11

Orlaithe

Golden.

1/7

Oscar

Jumping fighter.

7/2

Osckar

Jumping fighter.

9/22

Osker

Jumping fighter.

1/5

Ossian

Fawn.

2/5

Oswallt

Welsh form of Oswald 'strength from God'.

9/3

Owein

Young warrior.

6/3

Owen

Young fighter.

5/3

Owena

Feminine form of Owen: Young warrior. Also can...

6/22

Owin

Young fighter.

1/7

Owyn

Young fighter.

1/5

Owynn

Wellborn. Form of Ewan.

6/1

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