Could Brantley be the perfect name for your baby boy? The baby boy name Brantley is 8 letters long, and contains 2 vowel(s) and 6 consonant(s). Brantley is a baby boy name that starts with the letter B and ends in the letter Y. The baby boy name Brantley has a popularity of 77% and is ranked 233 in the list of top 1000 most popular baby boy names. If Brantley 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 Brantley!