Could Cairo be the perfect name for your baby boy? The baby boy name Cairo is 5 letters long, and contains 3 vowel(s) and 2 consonant(s). Cairo is a baby boy name that starts with the letter C and ends in the letter O. The baby boy name Cairo has a popularity of 69% and is ranked 306 in the list of top 1000 most popular baby boy names. If Cairo isn't the ideal name for your baby boy then take a look here for some randomly generated names. Hopefully you'll find a more suitable first name for your baby boy than Cairo!