Boys' name · since 1921

Lb

21 babies named Lb in U.S. Social Security records since 1921, with the highest year being 1991. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

21
total births
1921–1991
years on record
1920s
peak decade
48%
born in that decade

Lb sits outside today's top ranks for boys, with 21 recorded since 1921.

Lb has 21 recorded births among boys since 1921, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1921 to 1991.

  • 21 total births
  • 1921–1991 years on record
  • 1920s peak decade
  • 48% born in that decade

Data updated Jul 2026

The verdict

21 boys have been named Lb since 1921, peaking in the 1920s, last recorded in 1991.

21
total births
1921–1991
years on record
1920s
peak decade
48%
born in that decade
1920s
Peak decade

48% of everyone ever named Lb was born in this single decade.

1991
Single peak year

6 babies were named Lb in 1991 - its busiest year on record.

Lb's usage pattern, beyond the headline number

Lb splits its recorded history at 1943: 52% of all births land in the more recent half, 48% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1921 (5 births) -- compare that against the 1991 peak of 6 for a sense of just how much the name's popularity has swung.

Lb at a glance

Last recorded 1991

Total births

21

Since 1921

71 years of records

Peak year

1991

6 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1991

Active since

1921

Recorded for 71 years

Last year on file: 1991

Lb popularity over time

Annual U.S. births registered with the Social Security Administration · 1921–1991

Last recorded 1991
Peak year (1991)
6
Annual births at peak, across 71 years of records
4.555.566.5 1921192619431991 6

Lb by decade

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

1920s was Lb's strongest decade.

10 babies received the name during that ten-year window, about 48% of all-time use.

Lb births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 10 births (48% of all-time use).

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

Frequently Asked Questions

How popular is the name Lb?
21 babies have been named Lb since 1921. It was last recorded in 1991. The peak year was 1991 with 6 births.
When was Lb most popular?
Lb was most popular in the 1920s decade with 10 total births. The single peak year was 1991.
How long has the name Lb been used?
The SSA has tracked Lb since 1921 -- 71 years through the most recent 1991 data.

What to do with Lb's data

  • Lb's usage has stayed within range of its 1920s decade-level peak (10 total births) through the 1990s (6) -- a comparatively stable name, not a fading trend.
  • 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 July 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, 1921–1991 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Lb: Baby Name Since 1921 - 21 Births, Peak 1991." NameAlmanac. Accessed via https://namealmanac.com/name/lb. 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 Lb 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 July 2026.