US rank #952 Girls' name Peak 2024 2,395 births

Tilly — #952 US girls' name

2,395 babies named Tilly in U.S. Social Security records since 1912, with the highest year being 2024. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s271920s201930s111940s61950s51960s181970s281980s51990s712000s1842010s8722020s1148
#952
of 17,661 girls in use

More common than 95% of names given to girls today.

2020s
Peak decade

48% of everyone ever named Tilly was born in this single decade.

2024
Single peak year

273 babies were named Tilly in 2024 — its busiest year on record.

What the Data Says About Tilly

The Social Security Administration has registered 2,395 babies named Tilly between 1912 and 2024, spanning 113 consecutive years of U.S. birth records. As a girl's name, Tilly currently holds the #952 rank among girls for 2024. The name reached its historical peak in 2024, when 273 babies received it in a single year.

Decade-level aggregation shows that Tilly performed strongest in the 2020s, accumulating 1,148 births during that ten-year window. Across the 12 decades of recorded activity, Tilly shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in Texas, which accounts for 133 births — the largest state-level total in the dataset — followed by California and New York. In total, SSA state-level files list Tilly in 33 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Tilly 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 2,395 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.

Tilly at a glance

Top 1,000 girls' name

Total births

2,395

Since 1912

113 years of records

Peak year

2024

273 births that year

Strongest decade: 2020s

Current rank

#952

Among girls

As of 2024

Active since

1912

Recorded for 113 years

Last year on file: 2024

Tilly popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1912

Top 1,000 girls' name
Peak year (2024)
273
Annual births at peak — across 113 years of records
-1000100200300 202420172010200319961979196219251912 5

Tilly by decade

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

Peak: 2020s
Peak decade
2020s
1,148 births that decade — 48% of Tilly's all-time total
1910s271920s201930s111940s61950s51960s181970s281980s51990s712000s1842010s8722020s1148

Tilly by state

Where Tilly concentrates geographically — total births since 1912

Geographically diffuse
Top 8 states by recorded births for the name Tilly
Rank State Visual share Births Share of total
#1 Texas
133 5.6%
#2 California
90 3.8%
#3 New York
82 3.4%
#4 Ohio
72 3.0%
#5 Washington
72 3.0%
#6 Florida
71 3.0%
#7 Indiana
68 2.8%
#8 Utah
60 2.5%
Texas share of Tilly's total US births 5.6%
Even split

133 of 2,395 births nationwide. Compared to a flat distribution across 33 reporting states.

Tilly appears in 33 states. Explore state details →

Frequently Asked Questions

How popular is the name Tilly?
2,395 babies have been named Tilly since 1912. It currently ranks #952 among girls. The peak year was 2024 with 273 births.
When was Tilly most popular?
Tilly was most popular in the 2020s decade with 1,148 total births. The single peak year was 2024.
Where is Tilly most popular?
The top states for the name Tilly are Texas (133 births), California (90 births), New York (82 births).
How long has the name Tilly been used?
Tilly has been recorded in Social Security data since 1912, spanning 113 years of data through 2024.
What names are similar to Tilly?
Names with a similar sound or spelling include Tillie, Tilda, Tila, Tilley, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Tilly

Nearby Names Like Tilly

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

Names with a similar popularity rank to Tilly

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, 1912–2024 (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.