Baby Boy Names that Start with the Letter O

O'

Irish - Male

Descendent of. Irish surnames formed by prefacing O'.

  • Rated 2.81 out of 4 stars
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Rating: 2.81 (27 votes)

O'Brian

Irish - Male

Surname.

  • Rated 3.13 out of 4 stars
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Rating: 3.13 (24 votes)

O'Brien

Irish - Male

Surname.

  • Rated 3 out of 4 stars
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Rating: 3.00 (21 votes)

O'Keefe

Irish - Male

Surname.

  • Rated 2.69 out of 4 stars
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Rating: 2.69 (13 votes)

O'Shay

Irish - Male

Surname.

  • Rated 2.54 out of 4 stars
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Rating: 2.54 (13 votes)

O'Shea

Irish - Male

Surname.

  • Rated 2.92 out of 4 stars
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Rating: 2.92 (12 votes)

OLes

Polish - Male

Polish form of Alexandra: defends mankind.

  • Rated 3.33 out of 4 stars
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Rating: 3.33 (6 votes)

ONille

French - Male

From the gold town.

  • Rated 4 out of 4 stars
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Rating: 4.00 (2 votes)

Oakden

English - Male

From the oak tree valley.

  • Rated 2.36 out of 4 stars
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Rating: 2.36 (11 votes)

Oakes

English - Male

From the oak.

  • Rated 2.54 out of 4 stars
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Rating: 2.54 (13 votes)

Obadiah

Hebrew - Male

Servant, worshipper of the Lord. Obadiah was the prophet who wrote the shortest book in the Old Testament.

  • Rated 3.14 out of 4 stars
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Rating: 3.14 (14 votes)

Obed

Biblical - Male

A servant; workman.

  • Rated 2.82 out of 4 stars
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Rating: 2.82 (17 votes)

Obed-edom

Biblical - Male

Servant of Edom.

  • Rated 2.92 out of 4 stars
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Rating: 2.92 (13 votes)

Obediah

Hebrew - Male

Serves God.

  • Rated 2.77 out of 4 stars
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Rating: 2.77 (13 votes)

Oberon

German - Male

Noble, bearlike.

  • Rated 2.7 out of 4 stars
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Rating: 2.70 (10 votes)