Could Autumn be the perfect name for your baby girl? The baby girl name Autumn is 6 letters long, and contains 3 vowel(s) and 3 consonant(s). Autumn is a baby girl name that starts with the letter A and ends in the letter N. The baby girl name Autumn has a popularity of 92% and is ranked 82 in the list of top 1000 most popular baby girl names. If Autumn 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 Autumn!