The O Names

Baby names that begin or end with the letter o have long been particularly cool, especially (though there are a few feminine selections) for boys. The options, of course, range far beyond those offered here, especially considering the entire world of Latinate baby names out there, but this group should give you a pretty good start.
  • Nemo

    Gender: M Love Dislike

    The original Nemo was the captain in Twenty Thousand Leagues under the Sea, while the more familiar modern one is the animated little fish in the Disney movie. Unusual name well worth... Read More 

  • Neo

    Gender: M Love Dislike

    This nouveau name of Keanu Reeves's character in The Matrix has not enjoyed the same burst of popularity as its female counterpart, Trinity, but it definitely sounds, well, newer. Neo... Read More 

  • Nico

    Gender: M Love Dislike

    Nico is one of the great nickname names, full of charm, energy and sex appeal -- a neo Nick. It has risen 30 places in the past year, reaching a new high.

    Nico is commonly heard in... Read More 

  • Nicolo

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    Nicolo is a more lively and exotic variation of Nicholas. A name with a long, distinguished Italian history of its own, it also boasts the charming nickname Nico.

    Although the female... Read More 

  • Nilo

    Gender: M Love Dislike

    So much more exotic than Danny.Read More 

  • O'brian

    Gender: M Love Dislike

    Irish surname that refers to High King Brian Boru, also spelled O'Brien. Makes a fabulous first name.Read More 

  • O'callahan

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    One of the most usable of the fashionable O'Names.Read More 

  • O'casey

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    To modernize and add some oomph to the dated CASEY, add an O'-and also honor the great Irish playwright Sean.Read More 

  • O'connor

    Gender: M Love Dislike

    Perfect name for the child of dog enthusiasts, and much more distinctive than the trendy Connor.Read More 

  • O'donnell

    Gender: M Love Dislike

    Forget Donald. Honor Grandpa Don with this new spin.Read More 

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