Crusoe

Boys' name

Possibly hollow

Crusoe has been given to 30 babies in the U.S. since 2014. 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 2014, with 10 recorded.

Babies named Crusoe, 2021

1 in 339,000

Crusoe over time, 1880–2025

Boys

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Crusoe: meaning, origin, and history

Possibly hollow

surname transfer

What Crusoe means

Crusoe may mean “hollow”, associated with creux.

Dictionary etymologyReferences, data & attribution

Perhaps from French Crusiaux, a topographic surname from a diminutive of creux (“hollow”), or alternatively a variant of Croiseau, a habitational surname.

Excerpt from Wiktionary: Crusoe (English) · CC BY-SA 4.0

Wiktionary material is available under CC BY-SA 4.0.

Origin, language, and formation

Crusoe is used in English. Its origins include surname transfer.

Crusoe comes through French Crusiaux.

Crusoe is recorded as a surname transferred into given-name use.

Related names and everyday forms

Related names include Croiseau.

American usage and historical context

In the United States, 30 boys were recorded with the name Crusoe between 2014 and 2021. Its highest annual count was 10 in 2014; its best national rank was #7,656 in 2014.

How common is Crusoe?

Crusoe 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 339,000; 10 of 3,389,958 births
Among boys only: 1 in 175,000; <0.01% of boys
Rank, 2021: Unranked; Fewer than 5 uses
Coin-flip room size: 234,975 kids; Even odds of a second one

Where Crusoe 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 234,975 children born in 2021 and it's an even bet that one of them is another Crusoe. In a class of 30 the chance is Under 1%.

When Crusoes were born

Half of everyone ever recorded as Crusoe was born before 2016 — so the typical Crusoe is around 9 today.

Median birth year: 2016; About 9 years old
Biggest decade: 2010s; 66.7% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 30; People you could plausibly meet

Choose a decade

2010s — 66.7% of all recorded uses (20).

Is Crusoe 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 2014 (10)
Years since peak: 11; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #7,656; 2014

Spellings of Crusoe

Crusoe is not the most common spelling — Crue is, with 74.3% against Crusoe's 0.87%.

Crue74.3%2,574
Cruze24.8%861
Crusoe0.87%30

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.

Crusoe 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: #7,656; 2014
Peak year: 2014; 10 that year
First recorded: 2014
Last recorded: 2021
All-time count: 30
Count in 2025: Under 5

Names similar to Crusoe

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

Cruse Cruize Cruiz Cruise Crus Cruzito Cruze Crux Soe Crue Cru Cruz

Sibling names for Crusoe

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

For a sister

Honesty Elayna Alaysia Montserrat Amia Priya Adilene Yamileth

For a brother

Jai Vihaan Gannon Anders Branson Korbin Abdullah Gibson

Explore around Crusoe

Top names of 2014, Crusoe's peak year The 2010s in full Other names that peaked in 2014 Boys' names starting with C