Could Marilyn be the perfect name for your baby girl? The baby girl name Marilyn is 7 letters long, and contains 2 vowel(s) and 5 consonant(s). Marilyn is a baby girl name that starts with the letter M and ends in the letter N. The baby girl name Marilyn has a popularity of 47% and is ranked 528 in the list of top 1000 most popular baby girl names. If Marilyn 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 Marilyn!