The Social Security Administration recently released the U.S. baby name data for 2010. Here are the top twenty boy names of 2010 (and where they ranked in 2009, for comparison).

1. Jacob (was 1st)
2. Ethan (was 2nd)
3. Michael (was 3rd)
4. Jayden (was 8th)
5. William (was 5th)
6. Alexander (was 4th)
7. Noah (was 9th)
8. Daniel (was 7th)
9. Aiden (was 12th)
10. Anthony (was 11th)
11. Joshua (was 6th)
12. Mason (was 34th)
13. Christopher (was 10th)
14. Andrew (was 16th)
15. David (was 14th)
16. Matthew (was 13th)
17. Logan (was 17th)
18. Elijah(was 22nd)
19. James (was 18th)
20. Joseph (was 15th)

Mason and Elijah are new to the top 20 since 2009. Names that were in the top 20 in 2009 but fell out of the top 20 in 2010 were Benjamin (was 20th, now 22nd) and Ryan (was 19th, now 23rd).

Boy names that became more popular between 2009 and 2010 include:

• Bentley, up from 515th to 101st
• Kellan, up from 626th to 366th
• Knox, up from 703rd to 457th
• Enzo, up from 591st to 443rd
• Karter, up from 567th to 444th
• Easton, up from 253rd to 145th
• Rhys, up from 578th to 471st
• Damon, up from 521st to 419th
• Greyson, up from 347th to 249th
• Brycen, up from 456th to 364th
• Dexter, up from 543rd to 454th
• Brooks, up from 488th to 399th
• Gideon, up from 545th to 461st
• Ibrahim, up from 566th to 487th
• Jax, up from 426th to 348th
• Ryland, up from 571st to 494th
• Axel, up from 264th to 187th
• Cullen, up from 484th to 413th
• Kellen, up from 429th to 359th
• Karson, up from 449th to 379th

A lot of these were influenced by popular culture. Kellan is the name of a Twilight actor, for instance, and Knox is the name of one of Angelina Jolie and Brad Pitt's children.

Boy names that became less popular between 2009 and 2010 include Aaden, Jaylin, Gael, Eddie, Terrance, Jonas, Camron, Cory, Jaydon, Javon, Nathanael, Bruce, Byron, Ramon, Morgan, Nasir, Rodney, Michael, Gustavo and Mauricio.

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