Born in 2009 · Gen Z

Baby names of 2009

The Social Security name files, which cover every name given to at least 5 babies, list 3,820,687 babies born in 2009: 1,837,114 girls and 1,983,573 boys. Isabella and Jacob were the most popular names, and 8.9% of all babies got a top-10 name, down from 12.5% in 1999. The name most tied to 2009 is Aaden: among boys, it was 31× as common that year as in the decades around it.

Quick facts

Generation
Gen Z
Born 1997–2012
Babies on record
3,820,687
1,837,114 girls · 1,983,573 boys
Different names
20,199
for girls, plus 14,540 for boys (5+ babies each)
Top-10 names
8.9%
of babies got one · girls 8.6%, boys 9.2%

Top 10 names of 2009

Girls

#NameBabies
1Isabella22,321
2Emma17,910
3Olivia17,444
4Sophia16,951
5Ava15,877
6Emily15,366
7Madison15,257
8Abigail14,401
9Chloe11,922
10Mia11,438

Boys

#NameBabies
1Jacob21,204
2Ethan19,858
3Michael18,964
4Alexander18,254
5William17,937
6Joshua17,671
7Daniel17,564
8Jayden17,316
9Noah17,262
10Christopher16,368
  • Isabella was the #1 name for girls in both 2009 and 2010.
  • Jacob was the #1 name for boys every year from 1999 to 2012.

How many babies got a top-10 name?

In 2009, 8.9% of babies were given one of that year's 10 most popular names. Across all years, that share fell from 29.0% in 1935 to 7.5% in 2025.

Share of US babies given a top-10 name, 1935–2025

Names that sound like 2009

These names were far more common in 2009 than in the decades around it: the multiplier compares each name's share of 2009 babies with its average share 6–25 years before and after.

NameSexRankVs. nearby
AadenBoy#27131×
MileyGirl#1899.2×
CayleeGirl#2648.7×
AddysonGirl#2258.7×
JaydenGirl#1887.4×
BraylonBoy#2187.0×
KaydenceGirl#2546.8×
CadenceGirl#2236.0×
LandenBoy#2075.9×
KeiraGirl#1415.7×

Names that peaked in 2009

Each of these reached its highest share of US babies in 2009, the high point in records going back to 1880. Rank is for 2009.

NameSexRank
EvanBoy#35
ChaseBoy#61
KayleeGirl#26
LeahGirl#29
PeytonGirl#42
ValeriaGirl#72
KalebBoy#108
MyaGirl#97
CaydenBoy#143
LailaGirl#135

New to the top 1,000 in 2009

Names that made the national top 1,000 for the first time in 2009 (records go back to 1880).

Girls

  • Analia997 babies
  • Bristol438 babies
  • Leighton431 babies
  • Brinley362 babies
  • Milan360 babies
  • Maliah356 babies
  • Lylah341 babies
  • Calleigh335 babies

Boys

  • Sylas254 babies
  • Jaxton250 babies
  • Kayson249 babies
  • Jaxen242 babies
  • Dilan239 babies
  • Camilo229 babies
  • Casen228 babies
  • Westin223 babies

Where are they now?

Top-100 names of 2009 that have since dropped out of the top 1,000. Ranks are for 2009 and 2025.

Girls

  • Alexa #43 in 2009 , now #1,029 in 2025
  • Katelyn #90 in 2009 , now #1,077 in 2025

Boys

Every top-100 boys' name from 2009 is still in the 2025 top 1,000.

Source: U.S. Social Security Administration baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data