Could Adelyn be the perfect name for your baby girl? The baby girl name Adelyn is 6 letters long, and contains 2 vowel(s) and 4 consonant(s). Adelyn is a baby girl name that starts with the letter A and ends in the letter N. The baby girl name Adelyn has a popularity of 71% and is ranked 287 in the list of top 1000 most popular baby girl names. If Adelyn isn't the ideal name for your baby girl then take a look here for some randomly generated names. Hopefully you'll find a more suitable first name for your baby girl than Adelyn!