Could Mordechai be the perfect name for your baby boy? The baby boy name Mordechai is 9 letters long, and contains 4 vowel(s) and 5 consonant(s). Mordechai is a baby boy name that starts with the letter M and ends in the letter I. The baby boy name Mordechai has a popularity of 7% and is ranked 934 in the list of top 1000 most popular baby boy names. If Mordechai 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 Mordechai!