Could Jeffrey be the perfect name for your baby boy? The baby boy name Jeffrey is 7 letters long, and contains 2 vowel(s) and 5 consonant(s). Jeffrey is a baby boy name that starts with the letter J and ends in the letter Y. The baby boy name Jeffrey has a popularity of 62% and is ranked 385 in the list of top 1000 most popular baby boy names. If Jeffrey 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 Jeffrey!