For half a century Jacob or Michael have been trading places at the top of the list of most popular boys names, but now there's a new number one. The Social Security Administration's latest list of most popular baby names says that Noah is the most popular boy's name in the United States. For the third year in a row, Sophia is still the favorite name for girls.

Here are the top 10 boys and girls names for 2013 from the Social Security Administration:

  1. Noah
  2. Liam
  3. Jacob
  4. Mason
  5. William
  6. Ethan
  7. Michael
  8. Alexander
  9. Jayden
  10. Daniel
  1. Sophia
  2. Emma
  3. Olivia
  4. Isabella
  5. Ava
  6. Mia
  7. Emily
  8. Abigail
  9. Madison
  10. Elizabeth