Boys' name · since 1915

Casimier

Since 1915, U.S. Social Security records show 35 babies named Casimier, peaking in 1917. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#24,653 of 45,481
all-time among boys
35
born since 1915
1910s
peak decade

Casimier sits outside today's top ranks for boys, with 35 recorded since 1915.

Casimier has 35 recorded births among boys since 1915, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1910s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1915 to 1926.

  • #24,653 of 45,481 all-time among boys
  • 35 born since 1915
  • 1910s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Casimier ranks #24,653 of 45,481 boys' names by all-time recorded births (highest first). 35 born since 1915, peaking in the 1910s.

#24,653 of 45,481
all-time among boys
35
born since 1915
1910s
peak decade
Below the archive median
All-time archive position

Casimier's 35 recorded births place it above 45.39% 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.

Casimier's usage pattern, beyond the headline number

Divide Casimier's SSA record in two at 1918 and the more recent half accounts for 49% of all births, the earlier half the remaining 51%, a genuinely balanced usage pattern. Its calmest year was 1915, with only 5 births recorded -- set against the 1917 peak of 7, that's the full swing in one name's fortunes.

Casimier popularity over time

Annual U.S. births registered with the Social Security Administration · 1915–1926

Last recorded 1926
Peak year (1917)
7
Annual births at peak, across 12 years of records
4.555.566.577.5 191519161917191819191926 5

Casimier by decade

1910s is the heaviest window (30 births, 86% of the file).

1910s was Casimier's strongest decade.

30 babies received the name during that ten-year window, about 86% of all-time use.

Casimier births by decade

Total births in each ten-year window

births

What this shows Peak: 1910s at 30 births (86% of all-time use).

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

Frequently Asked Questions

How popular is the name Casimier?
Casimier has been given to 35 babies in the U.S. since 1915, according to SSA data. Its archive ordinal is #24,653 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 1926. 7 babies were born in 1917, its single highest year.
Where does Casimier sit in the SSA name archive?
According to the U.S. Social Security Administration, Casimier ranks #24,653 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 Casimier most popular?
Casimier was most popular in the 1910s decade with 30 total births. The single peak year was 1917.
How long has the name Casimier been used?
The SSA has tracked Casimier since 1915 -- 12 years through the most recent 1926 data.
What names are similar to Casimier?
Names with a similar sound or spelling include Casey, Cash, Cason, Case, and 4 more. These share a common prefix and are also used for boys.

What to do with Casimier's data

  • Casimier's decade-level peak was the 1910s (30 total births); usage has since declined to 5 in the 1920s -- if you're weighing a "classic revival" angle, the trend line argues against it.

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Casimier

Nearby Names Like Casimier

Names with a similar sound, spelling, or feel to Casimier

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Casimier: 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, 1915–1926 (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 Casimier 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.