WASHINGTON (AP) - Sophia is the new most popular baby name for girls, while Jacob is the top name for baby boys for the 13th straight year.

The Social Security Administration released the top 1,000 baby names of 2011 on Monday. Isabella, which had been the top girl name for two years, dropped to second place. Emma, Olivia and Ava rounded out the top five.

Mason jumped 10 spots to become the second most popular name for newborn boys last year, knocking Michael out of the top five for the first time in 63 years. Rounding out the top five boys' names: William, Jayden and Noah.

Michael came in sixth, his lowest ranking since 1948.

The top 20 baby names of 2011:

Girls

1. Sophia

2. Isabella

3. Emma

4. Olivia

5. Ava

6. Emily

7. Abigail

8. Madison

9. Mia

10. Chloe

11. Elizabeth

12. Ella

13. Addison

14. Natalie

15. Lily

16. Grace

17. Samantha

18. Avery

19. Sofia

20. Aubrey

___

Boys

1. Jacob

2. Mason

3. William

4. Jayden

5. Noah

6. Michael

7. Ethan

8. Alexander

9. Aiden

10. Daniel

11. Anthony

12. Matthew

13. Elijah

14. Joshua

15. Liam

16. Andrew

17. James

18. David

19. Benjamin

20. Logan

___

Source: Social Security Administration.

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