Could Grey be the perfect name for your baby boy? The baby boy name Grey is 4 letters long, and contains 1 vowel(s) and 3 consonant(s). Grey is a baby boy name that starts with the letter G and ends in the letter Y. The baby boy name Grey has a popularity of 23% and is ranked 775 in the list of top 1000 most popular baby boy names. If Grey 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 Grey!