Recorded 1916–2023 Unisex name Peak 1985 671 births

Lean — unisex name

671 babies named Lean in U.S. Social Security records since 1916, with the highest year being 1985. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s51920s181950s331960s931970s1021980s1941990s712000s612010s762020s18
1980s
Peak decade

29% of everyone ever named Lean was born in this single decade.

1985
Single peak year

27 babies were named Lean in 1985 — its busiest year on record.

What the Data Says About Lean

The Social Security Administration has registered 671 babies named Lean between 1916 and 2023, spanning 108 consecutive years of U.S. birth records. As a girl's name, Lean currently falls outside the top 1,000 girls' names for 2023. The name reached its historical peak in 1985, when 27 babies received it in a single year. Lean is classified as unisex in SSA records: the opposite-sex variant accounts for 205 additional births since 1919.

Decade-level aggregation shows that Lean performed strongest in the 1980s, accumulating 194 births during that ten-year window. Across the 10 decades of recorded activity, Lean shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 14 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Lean in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Lean 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 671 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.

Lean at a glance

Last recorded 2023

Total births

671

Since 1916

108 years of records

Peak year

1985

27 births that year

Strongest decade: 1980s

Current rank

Unranked

Outside the modern top-1,000

As of 2023

Active since

1916

Recorded for 108 years

Last year on file: 2023

Lean popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2023–1916

Last recorded 2023
Peak year (1985)
27
Annual births at peak — across 108 years of records
051015202530 202320122002199119821973196419511916 5

Lean popularity over time — boys

205 total births recorded since 1919 (Lean as boys' name)

Unisex variant — 205 births
05101520 202420212017201420112002192719231919 6

Lean by decade

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

Peak: 1980s
Peak decade
1980s
194 births that decade — 29% of Lean's all-time total
1910s51920s181950s331960s931970s1021980s1941990s712000s612010s762020s18

Lean by state

Where Lean concentrates geographically — total births since 1916

Geographically diffuse
Top 1 states by recorded births for the name Lean
Rank State Visual share Births Share of total
#1 California
14 2.1%
California share of Lean's total US births 2.1%

14 of 671 births nationwide.

Frequently Asked Questions

How popular is the name Lean?
671 babies have been named Lean since 1916. It was last recorded in 2023. The peak year was 1985 with 27 births.
When was Lean most popular?
Lean was most popular in the 1980s decade with 194 total births. The single peak year was 1985.
Where is Lean most popular?
The top states for the name Lean are California (14 births).
Is Lean a unisex name?
Yes, Lean is used for both boys and girls. As a girl's name it has 671 births, and as a boy's name it has 205 births.
How long has the name Lean been used?
Lean has been recorded in Social Security data since 1916, spanning 108 years of data through 2023.
What names are similar to Lean?
Names with a similar sound or spelling include Leah, Lea, Leanne, Leanna, and 4 more. These share a common prefix and are also used for girls.

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, 1916–2023 (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.