Recorded 1918–2017 Boys' name Peak 1974 682 births

Lemont — boys' name

682 babies named Lemont in U.S. Social Security records since 1918, with the highest year being 1974. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s51930s181940s261950s781960s1421970s2201980s961990s572000s292010s11
1970s
Peak decade

32% of everyone ever named Lemont was born in this single decade.

1974
Single peak year

33 babies were named Lemont in 1974 — its busiest year on record.

What the Data Says About Lemont

The Social Security Administration has registered 682 babies named Lemont between 1918 and 2017, spanning 100 consecutive years of U.S. birth records. As a boy's name, Lemont currently falls outside the top 1,000 boys' names for 2017. The name reached its historical peak in 1974, when 33 babies received it in a single year.

Decade-level aggregation shows that Lemont performed strongest in the 1970s, accumulating 220 births during that ten-year window. Across the 10 decades of recorded activity, Lemont shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Illinois, which accounts for 41 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Lemont in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Lemont 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 682 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.

Lemont at a glance

Last recorded 2017

Total births

682

Since 1918

100 years of records

Peak year

1974

33 births that year

Strongest decade: 1970s

Current rank

Unranked

Outside the modern top-1,000

As of 2017

Active since

1918

Recorded for 100 years

Last year on file: 2017

Lemont popularity over time

Annual U.S. births registered with the Social Security Administration · 2017–1918

Last recorded 2017
Peak year (1974)
33
Annual births at peak — across 100 years of records
010203040 201719941986197819701962195419421918 5

Lemont by decade

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

Peak: 1970s
Peak decade
1970s
220 births that decade — 32% of Lemont's all-time total
1910s51930s181940s261950s781960s1421970s2201980s961990s572000s292010s11

Lemont by state

Where Lemont concentrates geographically — total births since 1918

Geographically diffuse
Top 1 states by recorded births for the name Lemont
Rank State Visual share Births Share of total
#1 Illinois
41 6.0%
Illinois share of Lemont's total US births 6.0%

41 of 682 births nationwide.

Frequently Asked Questions

How popular is the name Lemont?
682 babies have been named Lemont since 1918. It was last recorded in 2017. The peak year was 1974 with 33 births.
When was Lemont most popular?
Lemont was most popular in the 1970s decade with 220 total births. The single peak year was 1974.
Where is Lemont most popular?
The top states for the name Lemont are Illinois (41 births).
How long has the name Lemont been used?
Lemont has been recorded in Social Security data since 1918, spanning 100 years of data through 2017.
What names are similar to Lemont?
Names with a similar sound or spelling include Lemuel, Lemar, Lem, Lemon, 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, 1918–2017 (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.