Total births
10
Boys' name · since 1915
Vaclav
Since 1915, U.S. Social Security records show 10 babies named Vaclav, peaking in 1915. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 10
- total births
- 1915–1921
- years on record
- 1910s
- peak decade
- 50%
- born in that decade
10 boys have been named Vaclav since 1915, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Vaclav has been recorded 10 times among boys since 1915, though it is not among the currently most-used boys names, with its heaviest use in the 1910s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1915 to 1921.
- 10 total births
- 1915–1921 years on record
- 1910s peak decade
- 50% born in that decade
Data updated Jun 2026
The verdict
10 boys have been named Vaclav since 1915, peaking in the 1910s, last recorded in 1921.
- 10
- total births
- 1915–1921
- years on record
- 1910s
- peak decade
- 50%
- born in that decade
1910s
Peak decade
50% of everyone ever named Vaclav was born in this single decade.
1915
Single peak year
5 babies were named Vaclav in 1915 - its busiest year on record.
Vaclav's usage pattern, beyond the headline number
Splitting Vaclav's full recorded timeline at 1921, 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 1915, with just 5 recorded births.
Vaclav at a glance
Last recorded 1921Peak year
1915
Current rank
Unranked
Active since
1915
Vaclav popularity over time
Annual U.S. births registered with the Social Security Administration · 1915–1921
- Peak year (1915)
- 5
- Annual births at peak, across 7 years of records
Vaclav by decade
Total births in each ten-year window, peak vs trough at a glance
1910s was Vaclav's strongest decade.
5 babies received the name during that ten-year window, about 50% of all-time use.
Vaclav births by decade
Total births in each ten-year window
- 1910s
1910s
5 births
- 1920s
1920s
5 births
What this shows Peak: 1910s at 5 births (50% of all-time use).
Frequently Asked Questions
How popular is the name Vaclav? ▼
10 babies have been named Vaclav since 1915. It was last recorded in 1921. The peak year was 1915 with 5 births.
When was Vaclav most popular? ▼
Vaclav was most popular in the 1910s decade with 5 total births. The single peak year was 1915.
How long has the name Vaclav been used? ▼
Records for Vaclav go back to 1915, giving 7 years of history through 1921.
What names are similar to Vaclav? ▼
Names with a similar sound or spelling include Vache, Vachel, Vachon, Vachan. These share a common prefix and are also used for boys.
What to do with Vaclav's data
- Vaclav's usage has stayed within range of its 1910s decade-level peak (5 total births) through the 1920s (5) -- 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.
Keep exploring Vaclav
Nearby Names Like Vaclav
Names with a similar sound, spelling, or feel to Vaclav
Compare Vaclav side by side: Vaclav vs Vache Vaclav vs Vachel Vaclav vs Vachon
Related Names
Names with a similar number of total births
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, 1915–1921 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Vaclav: Baby Name Since 1915 - 10 Births, Peak 1915." NameAlmanac. Accessed via https://namealmanac.com/name/vaclav. 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 Vaclav 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.