Could Zachariah be the perfect name for your baby boy? The baby boy name Zachariah is 9 letters long, and contains 4 vowel(s) and 5 consonant(s). Zachariah is a baby boy name that starts with the letter Z and ends in the letter H. The baby boy name Zachariah has a popularity of 48% and is ranked 520 in the list of top 1000 most popular baby boy names. If Zachariah 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 Zachariah!