US rank #1649 Girls' name Peak 1947 382,871 births

Judy — #1649 US girls' name

382,871 babies named Judy in U.S. Social Security records since 1880, with the highest year being 1947. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s411890s951900s1521910s8881920s26271930s223111940s1677181950s1180611960s503241970s96541980s48581990s26632000s14812010s13672020s631
#1649
of 17,661 girls in use

More common than 91% of names given to girls today.

1940s
Peak decade

44% of everyone ever named Judy was born in this single decade.

1947
Single peak year

21,036 babies were named Judy in 1947 — its busiest year on record.

What the Data Says About Judy

The Social Security Administration has registered 382,871 babies named Judy between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a girl's name, Judy currently holds the #1649 rank among girls for 2024. The name reached its historical peak in 1947, when 21,036 babies received it in a single year.

Decade-level aggregation shows that Judy performed strongest in the 1940s, accumulating 167,718 births during that ten-year window. Across the 15 decades of recorded activity, Judy shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 27,767 births — the largest state-level total in the dataset — followed by Texas and Ohio. In total, SSA state-level files list Judy in 51 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Judy 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 382,871 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.

Judy at a glance

Outside the top 1,000

Total births

382,871

Since 1880

145 years of records

Peak year

1947

21,036 births that year

Strongest decade: 1940s

Current rank

#1,649

Among girls

As of 2024

Active since

1880

Recorded for 145 years

Last year on file: 2024

Judy popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2024–1880

Outside the top 1,000
Peak year (1947)
21,036
Annual births at peak — across 145 years of records
-5,00005,00010,00015,00020,00025,000 202420061988197019521934191618981880 5

Judy popularity over time — boys

1,094 total births recorded since 1929 (Judy as boys' name)

Unisex variant — 1,094 births
020406080 19881977196819611954194719401929 5

Judy by decade

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

Peak: 1940s
Peak decade
1940s
167,718 births that decade — 44% of Judy's all-time total
1880s411890s951900s1521910s8881920s26271930s223111940s1677181950s1180611960s503241970s96541980s48581990s26632000s14812010s13672020s631

Judy by state

Where Judy concentrates geographically — total births since 1880

Geographically diffuse
Top 8 states by recorded births for the name Judy
Rank State Visual share Births Share of total
#1 California
27,767 7.3%
#2 Texas
24,895 6.5%
#3 Ohio
20,939 5.5%
#4 Illinois
19,263 5.0%
#5 New York
18,910 4.9%
#6 Michigan
17,769 4.6%
#7 Pennsylvania
16,235 4.2%
#8 North Carolina
16,079 4.2%
California share of Judy's total US births 7.3%
Even split

27,767 of 382,871 births nationwide. Compared to a flat distribution across 51 reporting states.

Judy appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Judy?
382,871 babies have been named Judy since 1880. It currently ranks #1649 among girls. The peak year was 1947 with 21,036 births.
When was Judy most popular?
Judy was most popular in the 1940s decade with 167,718 total births. The single peak year was 1947.
Where is Judy most popular?
The top states for the name Judy are California (27,767 births), Texas (24,895 births), Ohio (20,939 births).
How long has the name Judy been used?
Judy has been recorded in Social Security data since 1880, spanning 145 years of data through 2024.
What names are similar to Judy?
Names with a similar sound or spelling include Judith, Judi, Judie, Jude, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Judy

Nearby Names Like Judy

Names with a similar sound, spelling, or feel to Judy

Names with a similar popularity rank to Judy

Baby Name Guides

Learn more about naming trends and how to use data to choose a name

Explore more names

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, 1880–2024 (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.