Could Lewis be the perfect name for your baby boy? The baby boy name Lewis is 5 letters long, and contains 2 vowel(s) and 3 consonant(s). Lewis is a baby boy name that starts with the letter L and ends in the letter S. The baby boy name Lewis has a popularity of 50% and is ranked 498 in the list of top 1000 most popular baby boy names. If Lewis 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 Lewis!