Could Mathias be the perfect name for your baby boy? The baby boy name Mathias is 7 letters long, and contains 3 vowel(s) and 4 consonant(s). Mathias is a baby boy name that starts with the letter M and ends in the letter S. The baby boy name Mathias has a popularity of 57% and is ranked 428 in the list of top 1000 most popular baby boy names. If Mathias 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 Mathias!