Boys' name · since 1940

Lonn

Since 1940, U.S. Social Security records show 391 babies named Lonn, peaking in 1968. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

391
total births
1940–1980
years on record
1960s
peak decade
34%
born in that decade

391 boys have been named Lonn since 1940, though it isn't currently a top-ranked name.

Social Security Administration records show Lonn recorded 391 times among boys since 1940, though it doesn't currently rank among the most-used boys names, peaking in the 1960s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1940 to 1980.

  • 391 total births
  • 1940–1980 years on record
  • 1960s peak decade
  • 34% born in that decade

Data updated Jun 2026

The verdict

391 boys have been named Lonn since 1940, peaking in the 1960s, last recorded in 1980.

391
total births
1940–1980
years on record
1960s
peak decade
34%
born in that decade
1960s
Peak decade

34% of everyone ever named Lonn was born in this single decade.

1968
Single peak year

19 babies were named Lonn in 1968 - its busiest year on record.

Lonn's usage pattern, beyond the headline number

Splitting Lonn's full recorded timeline at 1963, 50% of its total births fall in the more recent half of the record versus 50% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1940, with just 5 recorded births -- worth weighing against the 1968 peak of 19 to see the full range of the name's swing in popularity.

Lonn at a glance

Last recorded 1980

Total births

391

Since 1940

41 years of records

Peak year

1968

19 births that year

Strongest decade: 1960s

Current rank

Unranked

Outside the modern top-1,000

As of 1980

Active since

1940

Recorded for 41 years

Last year on file: 1980

Lonn popularity over time

Annual U.S. births registered with the Social Security Administration · 1940–1980

Last recorded 1980
Peak year (1968)
19
Annual births at peak, across 41 years of records
05101520 19401950195619611966197119761980 9

Lonn by decade

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

1960s was Lonn's strongest decade.

134 babies received the name during that ten-year window, about 34% of all-time use.

Lonn births by decade

Total births in each ten-year window

births

What this shows Peak: 1960s at 134 births (34% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

Lonn by state

Where Lonn concentrates geographically, total births since 1940

Geographically diffuse
Top 1 states by recorded births for the name Lonn
Rank State Visual share Births Share of total
#1 Wisconsin
5 1.3%
Wisconsin share of Lonn's total US births 1.3%

5 of 391 births nationwide.

Frequently Asked Questions

How popular is the name Lonn?
Lonn has been given to 391 babies in the U.S. since 1940, according to SSA data. Its last appearance in the data was 1980. 19 babies were born in 1968, its single highest year.
When was Lonn most popular?
Lonn was most popular in the 1960s decade with 134 total births. The single peak year was 1968.
Where is Lonn most popular?
The top states for the name Lonn are Wisconsin (5 births).
How long has the name Lonn been used?
Records for Lonn go back to 1940, giving 41 years of history through 1980.
What names are similar to Lonn?
Names with a similar sound or spelling include Lonnie, London, Lon, Lonny, and 4 more. These share a common prefix and are also used for boys.

What to do with Lonn's data

  • Lonn's decade-level peak was the 1960s (134 total births); usage has since declined to 9 in the 1980s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Wisconsin records the most Lonns (5 births) -- see the full state breakdown if geography matters to your decision. Wisconsin 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.

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, 1940–1980 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Lonn: Baby Name Since 1940 - 391 Births, Peak 1968." NameAlmanac. Accessed via https://namealmanac.com/name/lonn. 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 Lonn 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.