Could Sylas be the perfect name for your baby boy? The baby boy name Sylas is 5 letters long, and contains 1 vowel(s) and 4 consonant(s). Sylas is a baby boy name that starts with the letter S and ends in the letter S. The baby boy name Sylas has a popularity of 38% and is ranked 619 in the list of top 1000 most popular baby boy names. If Sylas 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 Sylas!