Could Marcus be the perfect name for your baby boy? The baby boy name Marcus is 6 letters long, and contains 2 vowel(s) and 4 consonant(s). Marcus is a baby boy name that starts with the letter M and ends in the letter S. The baby boy name Marcus has a popularity of 76% and is ranked 237 in the list of top 1000 most popular baby boy names. If Marcus 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 Marcus!