After three years at the top, Emily has been unseated by Emma as the most popular girl name in the United States, while Jacob remained the nation's most popular boy name for the fourth year in a row. The BabyCenter Baby Names List, which is the largest private list available, was compiled from more than 310,000 BabyCenter members who had babies in 2004. Our list combines names with the same pronunciation but different spellings to give a more accurate view of name popularity.

Emily has been the most popular female name each year since 1996. Jacob has been the top male name since 1999. New to the top ten this year are Ava and Anthony..