Kasper Boy

How popular is Kasper?

#1,867 boy name in 2025

84 baby boys were named Kasper in the US in 2025, making it the 1867th most popular boy name.

Compare with other names
1,315living people named Kasper (est.)
9median age of people named Kasper
1,409babies named Kasper since 1880
1 in 39,468US babies born in 2025

Kasper popularity over time

050100 18801900192019401960198020002020

Boys Girls

Rank in 2025#1,867 for boys (▼ 132 from 2024)
Babies in 202584 boys
10-year trendRising fast (+58% babies vs 2015)
Earlier ranks#2,411 in 2015, #2,113 in 2020
Peak year2024 (95 boys)
Highest rank#1,735 in 2024
First recorded1912
Boys vs girls (last 10 years)97% boys, 3% girls
Chance a classmate shares it0.1% in a class of 25 kids born in 2025

Kasper counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Casper family of names ranked #689 for boys in 2025 (#660 the year before), with 367 babies in all.

SpellingBoys in 2025Share
Casper 255 69%
Kasper 84 23%
Caspar 20 5%
Kaspar 8 2%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Kasper is most popular

Babies named Kasper per 1,000 boys born in each state, 2021 to 2025. Darker means more common.

  1. Illinois: 0.1 per 1,000 (19 boys)
  2. Utah: 0.1 per 1,000 (6 boys)
  3. New York: 0.1 per 1,000 (24 boys)
  4. Michigan: 0.1 per 1,000 (11 boys)
  5. California: 0.0 per 1,000 (45 boys)

Kasper by decade

DecadeBaby boysBest rank
1910s48#2,151
1920s24#2,948
1930s12#2,829
1950s5#3,713
1960s5#4,038
1980s5#6,945
1990s72#4,756
2000s279#2,978
2010s443#1,973
2020s496#1,735

Boy names about as popular as Kasper

Questions

Is Kasper a boy or girl name?
Kasper is mostly a boy name. Over the last 10 years, 97% of babies named Kasper were boys.
How popular is the name Kasper?
84 baby boys were named Kasper in the US in 2025, making it the 1867th most popular boy name.
When was Kasper most popular?
Kasper peaked in 2024, when 95 boys were given the name. Its highest rank was #1,735 in 2024.
How many people are named Kasper?
1,409 babies have been named Kasper in the US since 1880. We estimate about 1,315 of them are alive in 2026, with a median age of 9.
Where is Kasper most popular?
From 2021 to 2025, Kasper was most common in Illinois, at 0.1 of every 1,000 boys born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.