Could Madelyn be the perfect name for your baby girl? The baby girl name Madelyn is 7 letters long, and contains 2 vowel(s) and 5 consonant(s). Madelyn is a baby girl name that starts with the letter M and ends in the letter N. The baby girl name Madelyn has a popularity of 93% and is ranked 66 in the list of top 1000 most popular baby girl names. If Madelyn 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 Madelyn!