Boys' name · since 1917

Kasimir

Kasimir has 80 recorded births since 1917 in federal Social Security data, most heavily in 2021 -- full year-by-year trend, decade aggregates, and state rankings follow.

#8394
among boys today
80
born since 1917
2020s
peak decade
41%
more common than other boys

80 babies have been named Kasimir since 1917, making it today's #8394 boys' name.

Social Security Administration records show Kasimir recorded 80 times among boys since 1917, holding rank #8394 nationally today, ahead of 41% of boys, peaking in the 2020s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1917 to 2025.

  • #8394 among boys today
  • 80 born since 1917
  • 2020s peak decade
  • 41% more common than other boys

Data updated Jul 2026

The verdict

Kasimir is currently the #8394 boys' name in America, more common than 41% of boys - 80 born since 1917, peaking in the 2020s.

#8394
among boys today
80
born since 1917
2020s
peak decade
41%
more common than other boys

Kasimir vs. every other boys name in current SSA rankings

0%100%Median name50%41.2%
Kasimir vs. every other boys name in current SSA rankings
#8394
of 14,294 boys in use

More common than 41% of names given to boys today.

2020s
Peak decade

50% of everyone ever named Kasimir was born in this single decade.

2021
Single peak year

9 babies were named Kasimir in 2021 - its busiest year on record.

How Kasimir compares

80 23rd percentile among 14,294 names currently given to boys

Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Kasimir's all-time total is 78% below the median boys name, and Liam still leads by a wide margin.

Metric Kasimir Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 80 367 358,536
Peak-year births 9 23 22,252

Kasimir's usage pattern, beyond the headline number

Divide Kasimir's SSA record in two at 2012 and the more recent half accounts for 56% of all births, the earlier half the remaining 44%, a genuinely balanced usage pattern. Its calmest year was 1995, with only 5 births recorded -- set against the 2021 peak of 9, that's the full swing in one name's fortunes.

Kasimir at a glance

Outside the top 1,000

Total births

80

Since 1917

109 years of records

Peak year

2021

9 births that year

Strongest decade: 2020s

Current rank

#8,394

Among boys

As of 2025

Active since

1917

Recorded for 109 years

Last year on file: 2025

Kasimir popularity over time

Annual U.S. births registered with the Social Security Administration · 1917–2025

Outside the top 1,000
Peak year (2021)
9
Annual births at peak, across 109 years of records
45678910 191719181995200320082010201220212022202320242025 6

Kasimir by decade

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

2020s was Kasimir's strongest decade.

40 babies received the name during that ten-year window, about 50% of all-time use.

Kasimir births by decade

Total births in each ten-year window

births

What this shows Peak: 2020s at 40 births (50% of all-time use).

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

Frequently Asked Questions

How popular is the name Kasimir?
Kasimir has been given to 80 babies in the U.S. since 1917, according to SSA data. Among boys, it ranks #8394 as of the latest data. 9 babies were born in 2021, its single highest year.
When was Kasimir most popular?
Kasimir was most popular in the 2020s decade with 40 total births. The single peak year was 2021.
How long has the name Kasimir been used?
Kasimir has been recorded in Social Security data since 1917, spanning 109 years of data through 2025.
What names are similar to Kasimir?
Names with a similar sound or spelling include Kash, Kason, Kasey, Kasen, and 4 more. These share a common prefix and are also used for boys.

Data Sources

Data as of July 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, 1917–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Kasimir: #8394 Boys' Name - 80 Births, Peak 2021." NameAlmanac. Accessed via https://namealmanac.com/name/kasimir. 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 Kasimir 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 July 2026.