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Eustace

Boys' name

Well based, standing firm, stable (relatively unchanging), through εὐσταθής

Eustace has been given to 705 babies in the U.S. since 1882. 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 1921, with 29 recorded.

Babies named Eustace, 2024

1 in 478,000

Eustace over time, 1880–2025

Boys
010203018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Eustace: meaning, origin, and history

Well based, standing firm, stable (relatively unchanging), through εὐσταθής

Ancient Greek

What Eustace means

Eustace belongs to the name family reached through Eustace → εὐσταθής. Its meaning is “well based, standing firm, stable (relatively unchanging)”.

Dictionary etymologyReferences, data & attribution

From the Old French form of Latin Eustathius, from Ancient Greek Εὐστάθιος (Eustáthios, “ancient name, also of Christian Saint”), from Ancient Greek εὐσταθής (eustathḗs, “steadfast, stable”). Or from εὔστᾰχῠς (eústăkhŭs, “fruitful”, literally “abundant in grain”), from εὖ (eû) + στάχυς (stákhus). Doublet of Ostap.

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

Wiktionary material is available under CC BY-SA 4.0.

Origin, language, and formation

Eustace is used in English. Its origins include Ancient Greek.

Eustace comes through Latin Eustathius, Ancient Greek Εὐστάθιος and Ancient Greek εὐσταθής.

Related names and everyday forms

Related names include Eustathius, Ostap and εὐσταθής.

Pronunciation and spelling

In English, Eustace is pronounced /ˈjuːˌstɪs/.

American usage and historical context

In the United States, 705 boys were recorded with the name Eustace between 1882 and 2024. Its highest annual count was 29 in 1921; its best national rank was #782 in 1882.

How common is Eustace?

Eustace had fewer than 5 recorded uses in 2025, so these figures use 2024, the last year it was published.

Among all babies, 2024
1 in 478,000
7 of 3,342,801 births
Among boys only
1 in 246,000
<0.01% of boys
Rank, 2024
Unranked
Fewer than 5 uses
Coin-flip room size
331,009 kids
Even odds of a second one

Where Eustace 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 2024 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 331,009 children born in 2024 and it's an even bet that one of them is another Eustace. In a class of 30 the chance is Under 1%.

When Eustaces were born

Half of everyone ever recorded as Eustace was born before 1932 — so the typical Eustace is around 93 today.

Median birth year
1932
About 93 years old
Biggest decade
1920s
26.1% of all use
Born in the last 25 years
10.2%
Spread across generations
Recorded since 1950
218
People you could plausibly meet
Choose a decade

1920s — 26.1% of all recorded uses (184).

Is Eustace 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 1921 (29)
Years since peak
104
Years
Year-to-year steadiness
Shifting
20.1% average annual change
Best rank ever
#782
1882

Spellings of Eustace

Eustace is not the most common spelling — Justice is, with 74.5% against Eustace's 2.6%.

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.

Where Eustace is used

Across 1910–2025, Eustace was most concentrated in Georgia — about 1 in — boys, against 1 in 825,663 across all states with data. It was least common in New York (1 in —).

00 per 100,000

Most concentrated

  1. 1Georgia1 in —
  2. 2New York1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Eustace has too little recent state data to map, so this covers all years from 1910.

Eustace around the world

Where Eustace 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.

  • South Australia
    1956–1956
    #408
    in 1956

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Eustace 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
#782
1882
Peak year
1921
29 that year
First recorded
1882
Last recorded
2024
All-time count
705
Count in 2025
Under 5

Names similar to Eustace

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

EusebioTerraceEustacioSolaceBonifaceGracePeaceEusevioPaceDaceJhaceCandaceRaceMaceHorraceChaceHaraceDraceLovelaceEusticeJayaceKaceIgnaceStace

Sibling names for Eustace

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 Eustace

Top names of 1921, Eustace's peak yearThe 1920s in fullOther names that peaked in 1882Boys' names starting with ENarnia Names