The Social Security Administration recently released the U.S. baby name rankings for 2009. Here are the twenty girl names:

1. Isabella
2. Emma
3. Olivia
4. Sophia
5. Ava
6. Emily
7. Madison
8. Abigail
9. Chloe
10. Mia
11. Elizabeth
12. Addison
13. Alexis
14. Ella
15. Samantha
16. Natalie
17. Grace
18. Lily
19. Alyssa
20. Ashley

Girl names that became more popular between 2008 and 2009 include:

• Maliyah - up from 638th to 296th
• Isla - up from 619th to 346th
• Caylee - up from 514th to 263rd
• Kinley - up from 665th to 451st
• Arabella - up from 656th to 447th
• Adelyn - up from 585th to 405th
• Fernanda - up from 421st to 256th
• Adalyn - up from 531st to 369th
• Malia - up from 345th to 192nd
• Londyn - up from 508th to 368th

Girl names that became less popular between 2008 and 2009 include:

• Marely - down from 44th to 851st
• Mylee - down from 433rd to 853rd
• Jaslene - down from 376th to 670th
• Allisson - down from 418th to 615th
• Haylie - down from 499th to 644th
• Lindsay - down from 381st to 524th
• Rachael - down from 481st to 613rd
• Kimora - down from 291st to 409th
• Kathleen - down from 451st to 564th
• Cheyanne - down from 495th to 599th

Finally, here are the most popular girl names by U.S. state:

Alabama: Emma
Alaska: Isabella
Arizona: Isabella
Arkansas: Emma
California: Isabella
Colorado: Isabella
Connecticut: Isabella
Delaware: Isabella
District of Columbia: Allison
Florida: Isabella
Georgia: Madison
Hawaii: Isabella
Idaho: Olivia
Illinois: Isabella
Indiana: Emma
Iowa: Ava
Kansas: Emma
Kentucky: Emma
Louisiana: Ava
Maine: Emma
Maryland: Madison
Massachusetts: Olivia
Michigan: Olivia
Minnesota: Olivia
Mississippi: Madison
Missouri: Emma
Montana: Emma
Nebraska: Addison
Nevada: Isabella
New Hampshire: Olivia
New Jersey: Isabella
New Mexico: Isabella
New York: Isabella
North Carolina: Emma
North Dakota: Olivia
Ohio: Isabella
Oklahoma: Isabella
Oregon: Emma
Pennsylvania: Isabella
Rhode Island: Isabella
South Carolina: Emma
South Dakota: Emma
Tennessee: Emma
Texas: Isabella
Utah: Olivia
Vermont: Isabella
Virginia: Isabella
Washington: Isabella
West Virginia: Madison
Wisconsin: Olivia
Wyoming: Isabella

10,000 Most Popular Baby Girl Names Want more than the top 100 or top 1,000 baby girl names? Here's a complete list of the 10,000 most popular baby girl names in the nation! Click to learn more.