POSTED: Monday, May 14, 2012 - 7:30pm
UPDATED: Monday, May 14, 2012 - 7:34pm
NBC NATIONAL NEWS — Sophia tops the list of most popular baby names for girls, and Jacob remains the number one name for boys.
Isabella dropped to second place - it was number one the previous two years, according to the Social Security Administration.
Emma, Olivia and Ava finish out the top five names for girls.
Mason jumps up ten spots to become the second most popular name for boys. Kourtney Kardashian of reality TV fame named her son Mason in late 2009.
William, Jayden and Noah round out the top five for boys.