Recorded 1918–1933 Unisex name Peak 1918 29 births

Hilaire — boys' name

29 babies named Hilaire in U.S. Social Security records since 1918, with the highest year being 1918. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s81920s161930s5
1920s
Peak decade

55% of everyone ever named Hilaire was born in this single decade.

1918
Single peak year

8 babies were named Hilaire in 1918 — its busiest year on record.

What the Data Says About Hilaire

The Social Security Administration has registered 29 babies named Hilaire between 1918 and 1933, spanning 16 consecutive years of U.S. birth records. As a boy's name, Hilaire currently falls outside the top 1,000 boys' names for 1933. The name reached its historical peak in 1918, when 8 babies received it in a single year. Hilaire is classified as unisex in SSA records: the opposite-sex variant accounts for 19 additional births since 1975.

Decade-level aggregation shows that Hilaire performed strongest in the 1920s, accumulating 16 births during that ten-year window. Across the 3 decades of recorded activity, Hilaire shows a clear decline from its mid-century high.

No etymological entry is currently available for Hilaire 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 29 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.

Hilaire at a glance

Last recorded 1933

Total births

29

Since 1918

16 years of records

Peak year

1918

8 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1933

Active since

1918

Recorded for 16 years

Last year on file: 1933

Hilaire popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 1933–1918

Last recorded 1933
Peak year (1918)
8
Annual births at peak — across 16 years of records
456789 19331928192219211918 8

Hilaire popularity over time — girls

19 total births recorded since 1975 (Hilaire as girls' name)

Unisex variant — 19 births
45678910 199219911975 5

Hilaire by decade

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

Peak: 1920s
Peak decade
1920s
16 births that decade — 55% of Hilaire's all-time total
1910s81920s161930s5

Frequently Asked Questions

How popular is the name Hilaire?
29 babies have been named Hilaire since 1918. It was last recorded in 1933. The peak year was 1918 with 8 births.
When was Hilaire most popular?
Hilaire was most popular in the 1920s decade with 16 total births. The single peak year was 1918.
Is Hilaire a unisex name?
Yes, Hilaire is used for both boys and girls. As a boy's name it has 29 births, and as a girl's name it has 19 births.
How long has the name Hilaire been used?
Hilaire has been recorded in Social Security data since 1918, spanning 16 years of data through 1933.
What names are similar to Hilaire?
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, 1918–1933 (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.