Could Spencer be the perfect name for your baby boy? The baby boy name Spencer is 7 letters long, and contains 2 vowel(s) and 5 consonant(s). Spencer is a baby boy name that starts with the letter S and ends in the letter R. The baby boy name Spencer has a popularity of 66% and is ranked 338 in the list of top 1000 most popular baby boy names. If Spencer 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 Spencer!