Casson

Boys' name

Meaning not yet documented

Casson has been given to 68 babies in the U.S. since 1992. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2003, with 11 recorded.

Babies named Casson, 2021

1 in 565,000

Casson over time, 1880–2025

Boys
05101518801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

How common is Casson?

Casson had fewer than 5 recorded uses in 2025, so these figures use 2021, the last year it was published.

Among all babies, 2021
1 in 565,000
6 of 3,389,958 births
Among boys only
1 in 292,000
<0.01% of boys
Rank, 2021
Unranked
Fewer than 5 uses
Coin-flip room size
391,624 kids
Even odds of a second one

Where Casson sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2021 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 391,624 children born in 2021 and it's an even bet that one of them is another Casson. In a class of 30 the chance is Under 1%.

When Cassons were born

Half of everyone ever recorded as Casson was born before 2006 — so the typical Casson is around 19 today.

Median birth year
2006
About 19 years old
Biggest decade
2000s
50.0% of all use
Born in the last 25 years
91.2%
A modern name
Recorded since 1950
68
People you could plausibly meet
Choose a decade

2000s — 50.0% of all recorded uses (34).

Is Casson rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 2003 (11)
Years since peak
22
Years
Year-to-year steadiness
Volatile
58.9% average annual change
Best rank ever
#6,315
2003

Spellings of Casson

Casson is not the most common spelling — Jason is, with 52.0% against Casson's <0.01%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Casson around the world

Where Casson ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2017–2017
    #3,996
    in 2017

Popularity data from Office for National Statistics. ONS data under Open Government Licence v3.0.

Casson by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#6,315
2003
Peak year
2003
11 that year
First recorded
1992
Last recorded
2021
All-time count
68
Count in 2025
Under 5

Names similar to Casson

Matched on shared beginnings and endings, similar length, and comparable popularity.

Sibling names for Casson

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Casson