Could Mack be the perfect name for your baby boy? The baby boy name Mack is 4 letters long, and contains 1 vowel(s) and 3 consonant(s). Mack is a baby boy name that starts with the letter M and ends in the letter K. The baby boy name Mack has a popularity of 50% and is ranked 501 in the list of top 1000 most popular baby boy names. If Mack 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 Mack!