Recorded 1887–1983 Unisex name Peak 1921 501 births

Hillery — boys' name

501 babies named Hillery in U.S. Social Security records since 1887, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s51890s51900s51910s821920s1071930s971940s641950s731960s411970s171980s5
1920s
Peak decade

21% of everyone ever named Hillery was born in this single decade.

1921
Single peak year

17 babies were named Hillery in 1921 — its busiest year on record.

What the Data Says About Hillery

The Social Security Administration has registered 501 babies named Hillery between 1887 and 1983, spanning 97 consecutive years of U.S. birth records. As a boy's name, Hillery currently falls outside the top 1,000 boys' names for 1983. The name reached its historical peak in 1921, when 17 babies received it in a single year. Hillery is classified as unisex in SSA records: the opposite-sex variant accounts for 495 additional births since 1948.

Decade-level aggregation shows that Hillery performed strongest in the 1920s, accumulating 107 births during that ten-year window. Across the 11 decades of recorded activity, Hillery shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Louisiana, which accounts for 30 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Hillery in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Hillery 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 501 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.

Hillery at a glance

Last recorded 1983

Total births

501

Since 1887

97 years of records

Peak year

1921

17 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1983

Active since

1887

Recorded for 97 years

Last year on file: 1983

Hillery popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 1983–1887

Last recorded 1983
Peak year (1921)
17
Annual births at peak — across 97 years of records
05101520 19831961195119411933192519171887 5

Hillery popularity over time — girls

495 total births recorded since 1948 (Hillery as girls' name)

Unisex variant — 495 births
010203040 199819911987198319791975197119651948 5

Hillery by decade

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

Peak: 1920s
Peak decade
1920s
107 births that decade — 21% of Hillery's all-time total
1880s51890s51900s51910s821920s1071930s971940s641950s731960s411970s171980s5

Hillery by state

Where Hillery concentrates geographically — total births since 1887

Geographically diffuse
Top 1 states by recorded births for the name Hillery
Rank State Visual share Births Share of total
#1 Louisiana
30 6.0%
Louisiana share of Hillery's total US births 6.0%

30 of 501 births nationwide.

Frequently Asked Questions

How popular is the name Hillery?
501 babies have been named Hillery since 1887. It was last recorded in 1983. The peak year was 1921 with 17 births.
When was Hillery most popular?
Hillery was most popular in the 1920s decade with 107 total births. The single peak year was 1921.
Where is Hillery most popular?
The top states for the name Hillery are Louisiana (30 births).
Is Hillery a unisex name?
Yes, Hillery is used for both boys and girls. As a boy's name it has 501 births, and as a girl's name it has 495 births.
How long has the name Hillery been used?
Hillery has been recorded in Social Security data since 1887, spanning 97 years of data through 1983.
What names are similar to Hillery?
Names with a similar sound or spelling include Hilton, Hilario, Hillard, Hilary, 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, 1887–1983 (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.