Top 20 US name Boys' name Peak 1927 748,131 births

Jack — #15 US boys' name

748,131 babies named Jack in U.S. Social Security records since 1880, with the highest year being 1927. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s26841890s46351900s92221910s495261920s1159831930s963971940s739201950s623851960s355901970s185701980s159421990s375022000s955082010s856882020s44579
#15
of 14,243 boys in use

More common than 99.9% of names given to boys today.

1920s
Peak decade

16% of everyone ever named Jack was born in this single decade.

1927
Single peak year

12,802 babies were named Jack in 1927 — its busiest year on record.

What the Data Says About Jack

The Social Security Administration has registered 748,131 babies named Jack between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a boy's name, Jack currently holds the #15 rank among boys for 2024. The name reached its historical peak in 1927, when 12,802 babies received it in a single year.

Decade-level aggregation shows that Jack performed strongest in the 1920s, accumulating 115,983 births during that ten-year window. Across the 15 decades of recorded activity, Jack shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 61,360 births — the largest state-level total in the dataset — followed by New York and Texas. In total, SSA state-level files list Jack in 51 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Jack 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 748,131 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.

Jack at a glance

Top 100 boys' name

Total births

748,131

Since 1880

145 years of records

Peak year

1927

12,802 births that year

Strongest decade: 1920s

Current rank

#15

In the top 100

As of 2024

Active since

1880

Recorded for 145 years

Last year on file: 2024

Jack popularity over time — boys

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

Top 100 boys' name
Peak year (1927)
12,802
Annual births at peak — across 145 years of records
-5,00005,00010,00015,000 202420051986196719481929191018911880 204

Jack popularity over time — girls

2,728 total births recorded since 1889 (Jack as girls' name)

Unisex variant — 2,728 births
050100150 202420081991197419581942192619101889 5

Jack by decade

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

Peak: 1920s
Peak decade
1920s
115,983 births that decade — 16% of Jack's all-time total
1880s26841890s46351900s92221910s495261920s1159831930s963971940s739201950s623851960s355901970s185701980s159421990s375022000s955082010s856882020s44579

Jack by state

Where Jack concentrates geographically — total births since 1880

Geographically diffuse
Top 8 states by recorded births for the name Jack
Rank State Visual share Births Share of total
#1 California
61,360 8.2%
#2 New York
52,104 7.0%
#3 Texas
44,932 6.0%
#4 Ohio
43,278 5.8%
#5 Illinois
40,621 5.4%
#6 Pennsylvania
37,544 5.0%
#7 Michigan
36,130 4.8%
#8 Indiana
23,339 3.1%
California share of Jack's total US births 8.2%
Even split

61,360 of 748,131 births nationwide. Compared to a flat distribution across 51 reporting states.

Jack appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Jack?
748,131 babies have been named Jack since 1880. It currently ranks #15 among boys. The peak year was 1927 with 12,802 births.
When was Jack most popular?
Jack was most popular in the 1920s decade with 115,983 total births. The single peak year was 1927.
Where is Jack most popular?
The top states for the name Jack are California (61,360 births), New York (52,104 births), Texas (44,932 births).
How long has the name Jack been used?
Jack has been recorded in Social Security data since 1880, spanning 145 years of data through 2024.
What names are similar to Jack?
Names with a similar sound or spelling include Jacob, Jackson, Jace, Jackie, and 4 more. These share a common prefix and are also used for boys.

Keep exploring Jack

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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.