US rank #2338 Boys' name Peak 2012 2,376 births

Aj — #2338 US boys' name

2,376 babies named Aj in U.S. Social Security records since 1961, with the highest year being 2012. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1960s321970s671980s2751990s3092000s5992010s7352020s359
#2338
of 14,243 boys in use

More common than 84% of names given to boys today.

2010s
Peak decade

31% of everyone ever named Aj was born in this single decade.

2012
Single peak year

86 babies were named Aj in 2012 — its busiest year on record.

What the Data Says About Aj

The Social Security Administration has registered 2,376 babies named Aj between 1961 and 2024, spanning 64 consecutive years of U.S. birth records. As a boy's name, Aj currently holds the #2338 rank among boys for 2024. The name reached its historical peak in 2012, when 86 babies received it in a single year.

Decade-level aggregation shows that Aj performed strongest in the 2010s, accumulating 735 births during that ten-year window. Across the 7 decades of recorded activity, Aj shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 331 births — the largest state-level total in the dataset — followed by Texas and New York. In total, SSA state-level files list Aj in 11 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Aj in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 2,376 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Aj at a glance

Outside the top 1,000

Total births

2,376

Since 1961

64 years of records

Peak year

2012

86 births that year

Strongest decade: 2010s

Current rank

#2,338

Among boys

As of 2024

Active since

1961

Recorded for 64 years

Last year on file: 2024

Aj popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1961

Outside the top 1,000
Peak year (2012)
86
Annual births at peak — across 64 years of records
020406080100 20242016200820001992198419761961 5

Aj popularity over time — girls

43 total births recorded since 2010 (Aj as girls' name)

Unisex variant — 43 births
468101214 202020162015201220112010 5

Aj by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 2010s
Peak decade
2010s
735 births that decade — 31% of Aj's all-time total
1960s321970s671980s2751990s3092000s5992010s7352020s359

Aj by state

Where Aj concentrates geographically — total births since 1961

Geographically diffuse
Top 8 states by recorded births for the name Aj
Rank State Visual share Births Share of total
#1 California
331 13.9%
#2 Texas
172 7.2%
#3 New York
43 1.8%
#4 Hawaii
35 1.5%
#5 Florida
32 1.3%
#6 Washington
22 0.9%
#7 Arizona
20 0.8%
#8 Ohio
11 0.5%
California share of Aj's total US births 13.9%
Even split

331 of 2,376 births nationwide. Compared to a flat distribution across 11 reporting states.

Aj appears in 11 states. Explore state details →

Frequently Asked Questions

How popular is the name Aj?
2,376 babies have been named Aj since 1961. It currently ranks #2338 among boys. The peak year was 2012 with 86 births.
When was Aj most popular?
Aj was most popular in the 2010s decade with 735 total births. The single peak year was 2012.
Where is Aj most popular?
The top states for the name Aj are California (331 births), Texas (172 births), New York (43 births).
How long has the name Aj been used?
Aj has been recorded in Social Security data since 1961, spanning 64 years of data through 2024.
What names are similar to Aj?
Names with a similar sound or spelling include Ajay, Ajani, Ajax, Ajdin, and 4 more. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1961–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.