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Eustaquio

Boys' name

Literal meaning not recorded; Spanish origin

Eustaquio has been given to 52 babies in the U.S. since 1920. 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 7 recorded.

Babies named Eustaquio, 2007

1 in 800,000

Eustaquio over time, 1880–2025

Boys
0246818801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Eustaquio: meaning, origin, and history

Literal meaning not recorded; Spanish origin

Spanish

What Eustaquio means

Eustaquio is a given name.

Origin, language, and formation

Eustaquio is used in Cebuano. Its origins include Spanish.

American usage and historical context

In the United States, 52 boys were recorded with the name Eustaquio between 1920 and 2007. Its highest annual count was 7 in 1921; its best national rank was #3,384 in 1935.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Eustaquio?

Eustaquio had fewer than 5 recorded uses in 2025, so these figures use 2007, the last year it was published.

Among all babies, 2007
1 in 800,000
5 of 3,997,748 births
Among boys only
1 in 415,000
<0.01% of boys
Rank, 2007
Unranked
Fewer than 5 uses
Coin-flip room size
554,207 kids
Even odds of a second one

Where Eustaquio 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 2007 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 554,207 children born in 2007 and it's an even bet that one of them is another Eustaquio. In a class of 30 the chance is Under 1%.

When Eustaquios were born

Half of everyone ever recorded as Eustaquio was born before 1935 — so the typical Eustaquio is around 90 today.

Median birth year
1935
About 90 years old
Biggest decade
1920s
46.2% of all use
Born in the last 25 years
21.2%
Spread across generations
Recorded since 1950
22
People you could plausibly meet
Choose a decade

1920s — 46.2% of all recorded uses (24).

Is Eustaquio 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 (7)
Years since peak
104
Years
Year-to-year steadiness
Shifting
18.3% average annual change
Best rank ever
#3,384
1935

Eustaquio 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
#3,384
1935
Peak year
1921
7 that year
First recorded
1920
Last recorded
2007
All-time count
52
Count in 2025
Under 5

Names similar to Eustaquio

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

EustolioEusevioEustacioEusticeEsiquioEutiquioExiquioEustaceEusebioEustisSerguioEziquio

Sibling names for Eustaquio

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 Eustaquio

Top names of 1921, Eustaquio's peak yearThe 1920s in fullOther names that peaked in 1935Boys' names starting with E