Could Gwendolyn be the perfect name for your baby girl? The baby girl name Gwendolyn is 9 letters long, and contains 2 vowel(s) and 7 consonant(s). Gwendolyn is a baby girl name that starts with the letter G and ends in the letter N. The baby girl name Gwendolyn has a popularity of 61% and is ranked 389 in the list of top 1000 most popular baby girl names. If Gwendolyn 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 Gwendolyn!