Could Margo be the perfect name for your baby girl? The baby girl name Margo is 5 letters long, and contains 2 vowel(s) and 3 consonant(s). Margo is a baby girl name that starts with the letter M and ends in the letter O. The baby girl name Margo has a popularity of 24% and is ranked 760 in the list of top 1000 most popular baby girl names. If Margo 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 Margo!