Recorded 1918–1920 Boys' name Peak 1919 18 births

Czeslaw — boys' name

18 babies named Czeslaw in U.S. Social Security records since 1918, with the highest year being 1919. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s121920s6
1910s
Peak decade

67% of everyone ever named Czeslaw was born in this single decade.

1919
Single peak year

7 babies were named Czeslaw in 1919 — its busiest year on record.

What the Data Says About Czeslaw

The Social Security Administration has registered 18 babies named Czeslaw between 1918 and 1920, spanning 3 consecutive years of U.S. birth records. As a boy's name, Czeslaw currently falls outside the top 1,000 boys' names for 1920. The name reached its historical peak in 1919, when 7 babies received it in a single year.

Decade-level aggregation shows that Czeslaw performed strongest in the 1910s, accumulating 12 births during that ten-year window. Across the 2 decades of recorded activity, Czeslaw shows notable generational variation in parental adoption.

No etymological entry is currently available for Czeslaw 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 18 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.

Czeslaw at a glance

Last recorded 1920

Total births

18

Since 1918

3 years of records

Peak year

1919

7 births that year

Strongest decade: 1910s

Current rank

Unranked

Outside the modern top-1,000

As of 1920

Active since

1918

Recorded for 3 years

Last year on file: 1920

Czeslaw popularity over time

Annual U.S. births registered with the Social Security Administration · 1920–1918

Last recorded 1920
Peak year (1919)
7
Annual births at peak — across 3 years of records
4.555.566.577.5 192019191918 5

Czeslaw by decade

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

Peak: 1910s
Peak decade
1910s
12 births that decade — 67% of Czeslaw's all-time total
1910s121920s6

Frequently Asked Questions

How popular is the name Czeslaw?
18 babies have been named Czeslaw since 1918. It was last recorded in 1920. The peak year was 1919 with 7 births.
When was Czeslaw most popular?
Czeslaw was most popular in the 1910s decade with 12 total births. The single peak year was 1919.
How long has the name Czeslaw been used?
Czeslaw has been recorded in Social Security data since 1918, spanning 3 years of data through 1920.

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, 1918–1920 (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.