Could Ruby be the perfect name for your baby girl? The baby girl name Ruby is 4 letters long, and contains 1 vowel(s) and 3 consonant(s). Ruby is a baby girl name that starts with the letter R and ends in the letter Y. The baby girl name Ruby has a popularity of 93% and is ranked 74 in the list of top 1000 most popular baby girl names. If Ruby 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 Ruby!