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.

#35,765 of 45,481
all-time among boys
10
born since 1915
1910s
peak 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.

  • #35,765 of 45,481 all-time among boys
  • 10 born since 1915
  • 1910s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Vaclav ranks #35,765 of 45,481 boys' names by all-time recorded births (highest first). 10 born since 1915, peaking in the 1910s.

#35,765 of 45,481
all-time among boys
10
born since 1915
1910s
peak decade
Rare archive record
All-time archive position

Vaclav's 10 recorded births place it above 21.08% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

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 popularity over time

Annual U.S. births registered with the Social Security Administration · 1915–1921

Last recorded 1921
Peak year (1915)
5
Annual births at peak, across 7 years of records
5 19151921 5

Vaclav by decade

1910s is the heaviest window (5 births, 50% of the file).

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

births

What this shows Peak: 1910s at 5 births (50% of all-time use).

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

Frequently Asked Questions

How popular is the name Vaclav?
10 babies have been named Vaclav since 1915. All-time, it sits at #35,765 of 45,481 boys' names by recorded births. It was last recorded in 1921. The peak year was 1915 with 5 births.
Where does Vaclav sit in the SSA name archive?
According to the U.S. Social Security Administration, Vaclav ranks #35,765 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
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.

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Vaclav: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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).

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 August 2026.