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.
- #4,535 of 45,481
- all-time among boys
- 1,217
- born since 1912
- 1950s
- peak 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.
- #4,535 of 45,481 all-time among boys
- 1,217 born since 1912
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Lennis ranks #4,535 of 45,481 boys' names by all-time recorded births (highest first). 1,217 born since 1912, peaking in the 1950s.
- #4,535 of 45,481
- all-time among boys
- 1,217
- born since 1912
- 1950s
- peak decade
Lennis's 1,217 recorded births place it above 90.02% of the 45,481 boys names in the full SSA archive.
The state file records this name in 5 jurisdictions, led by Louisiana.
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 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
1950s is the heaviest window (247 births, 20% of the file).
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 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% |
53 of 1,217 births nationwide. Compared to a flat distribution across 5 reporting states.
Frequently Asked Questions
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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
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
Compare Lennis side by side: Lennis vs Lennox Lennis vs Lenard Lennis vs Lenny
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Lennis: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1948)
Similar record span (~101 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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).
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 August 2026.