Total births
1,217
Unisex name · since 1912
Lennis
Since 1912, U.S. Social Security records show 1,217 babies named Lennis, peaking in 1948. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 1,217
- total births
- 1912–2013
- years on record
- 1950s
- peak decade
- 20%
- born in that decade
1,217 boys have been named Lennis since 1912, though it isn't currently a top-ranked name.
Lennis has 1,217 recorded births among boys since 1912, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1950s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1912 to 2013.
- 1,217 total births
- 1912–2013 years on record
- 1950s peak decade
- 20% born in that decade
Data updated Jun 2026
The verdict
1,217 boys have been named Lennis since 1912, peaking in the 1950s, last recorded in 2013.
- 1,217
- total births
- 1912–2013
- years on record
- 1950s
- peak decade
- 20%
- born in that decade
1950s
Peak decade
20% of everyone ever named Lennis was born in this single decade.
1948
Single peak year
33 babies were named Lennis in 1948 - its busiest year on record.
Lennis's usage pattern, beyond the headline number
Divide Lennis's SSA record in two at 1952 and the more recent half accounts for 43% of all births, the earlier half the remaining 57%, a genuinely balanced usage pattern. Its calmest year was 1973, with only 5 births recorded -- set against the 1948 peak of 33, that's the full swing in one name's fortunes.
Lennis at a glance
Last recorded 2013Peak year
1948
Current rank
Unranked
Active since
1912
Lennis popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1912–2013
- Peak year (1948)
- 33
- Annual births at peak, across 102 years of records
Lennis popularity over time - girls
537 total births recorded since 1898 (Lennis as girls' name)
Lennis by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Lennis's strongest decade.
247 babies received the name during that ten-year window, about 20% of all-time use.
Lennis births by decade
Total births in each ten-year window
- 1910s 80
1910s
80 births
- 1920s
1920s
159 births
- 1930s
1930s
177 births
- 1940s
1940s
231 births
- 1950s
1950s
247 births
- 1960s
1960s
164 births
- 1970s 73
1970s
73 births
- 1980s 58
1980s
58 births
- 1990s 10
1990s
10 births
- 2000s 8
2000s
8 births
- 2010s 10
2010s
10 births
What this shows Peak: 1950s at 247 births (20% of all-time use).
How Lennis compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Lennis's total volume
Lennis vs 15 similarly-sized boys names
Lennis by state
Where Lennis concentrates geographically, total births since 1912
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Louisiana | | 53 | 4.4% |
| #2 | Texas | | 15 | 1.2% |
| #3 | California | | 5 | 0.4% |
| #4 | Missouri | | 5 | 0.4% |
| #5 | North Carolina | | 5 | 0.4% |
Louisiana share of Lennis's total US births 4.4%
Even split
53 of 1,217 births nationwide. Compared to a flat distribution across 5 reporting states.
Frequently Asked Questions
How popular is the name Lennis? ▼
1,217 babies have been named Lennis since 1912. It was last recorded in 2013. The peak year was 1948 with 33 births.
When was Lennis most popular? ▼
Lennis was most popular in the 1950s decade with 247 total births. The single peak year was 1948.
Where is Lennis most popular? ▼
The top states for the name Lennis are Louisiana (53 births), Texas (15 births), California (5 births).
Is Lennis a unisex name? ▼
Yes, Lennis is used for both boys and girls. As a boy's name it has 1,217 births, and as a girl's name it has 537 births.
How long has the name Lennis been used? ▼
Lennis has been recorded in Social Security data since 1912, spanning 102 years of data through 2013.
What names are similar to Lennis? ▼
Names with a similar sound or spelling include Lennox, Lenard, Lenny, Lennon, and 4 more. These share a common prefix and are also used for boys.
What to do with Lennis's data
- Lennis's decade-level peak was the 1950s (247 total births); usage has since declined to 10 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Louisiana records the most Lenniss (53 births) -- see the full state breakdown if geography matters to your decision. Louisiana names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Lennis
Nearby Names Like Lennis
Names with a similar sound, spelling, or feel to Lennis
Lennox Boy
#264 14,330 births
Lenard Boy
#7772 9,997 births
Lenny Boy
#1372 8,299 births
Lennon Boy
#786 8,003 births
Len Boy
#8995 4,514 births
Compare Lennis side by side: Lennis vs Lennox Lennis vs Lenard Lennis vs Lenny
Related Names
Names with a similar number of total births
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1912–2013 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Lennis: Baby Name Since 1912 - 1,217 Births, Peak 1948." NameAlmanac. Accessed via https://namealmanac.com/name/lennis. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Lennis draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.