Recorded 1912–1919 Boys' name Peak 1916 51 births

Waclaw — boys' name

51 babies named Waclaw in U.S. Social Security records since 1912, with the highest year being 1916. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s51
1910s
Peak decade

100% of everyone ever named Waclaw was born in this single decade.

1916
Single peak year

11 babies were named Waclaw in 1916 — its busiest year on record.

What the Data Says About Waclaw

The Social Security Administration has registered 51 babies named Waclaw between 1912 and 1919, spanning 8 consecutive years of U.S. birth records. As a boy's name, Waclaw currently falls outside the top 1,000 boys' names for 1919. The name reached its historical peak in 1916, when 11 babies received it in a single year.

Decade-level aggregation shows that Waclaw performed strongest in the 1910s, accumulating 51 births during that ten-year window.

No etymological entry is currently available for Waclaw 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 51 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.

Waclaw at a glance

Last recorded 1919

Total births

51

Since 1912

8 years of records

Peak year

1916

11 births that year

Strongest decade: 1910s

Current rank

Unranked

Outside the modern top-1,000

As of 1919

Active since

1912

Recorded for 8 years

Last year on file: 1919

Waclaw popularity over time

Annual U.S. births registered with the Social Security Administration · 1919–1912

Last recorded 1919
Peak year (1916)
11
Annual births at peak — across 8 years of records
4681012 191919181917191619151912 6

Waclaw by decade

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

Peak: 1910s
Peak decade
1910s
51 births that decade — 100% of Waclaw's all-time total
1910s51

Frequently Asked Questions

How popular is the name Waclaw?
51 babies have been named Waclaw since 1912. It was last recorded in 1919. The peak year was 1916 with 11 births.
When was Waclaw most popular?
Waclaw was most popular in the 1910s decade with 51 total births. The single peak year was 1916.
How long has the name Waclaw been used?
Waclaw has been recorded in Social Security data since 1912, spanning 8 years of data through 1919.
What names are similar to Waclaw?
Names with a similar sound or spelling include Wacey, Waco. These share a common prefix and are also used for boys.

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, 1912–1919 (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.