Eulalio
Masculine · “Greek eulalos”
Eulalia means well-spoken, from Greek eu and lalein, to talk. The same root gives medicine its whole vocabulary for speech: echolalia, glossolalia, coprolalia, palilalia. A word that names a virtue in a girl from fourth-century Spain also names a list of neurological conditions, and the two uses have never met.
How old is the name Eulalio?
Eulalio first appears in US birth records in 1913 — 112 years ago. The typical Eulalio alive today was born around 1963, making them about 62 years old. About 1,000 people named Eulalio are estimated to be alive in the US today.
When was the name Eulalio most popular?
Eulalio peaked in 1929, reaching #1154 nationally. Today it ranks #8243, 7,089 places below that high. See the whole 1929 chart.
Where it comes from
From eulalos to Eulalio
The story of Eulalio
The Sequence of Saint Eulalia, written about 880, is the oldest surviving piece of French literature: twenty-nine lines in the vernacular about the martyrdom of the Merida girl, copied into a manuscript alongside Latin texts. It matters out of all proportion to its length, because it is the first evidence that anyone thought the spoken language of northern France worth writing down as something other than bad Latin. The name spread across Spain, Portugal and southern France on the strength of the cult, and Santa Eulalia is a place name from Catalonia to the Philippines. The masculine Eulalio is a Spanish creation rather than an ancient name: there was no male Eulalius of note, and the form exists because Spanish makes masculines from feminines as readily as the other way round. It peaks in the United States in 1929.
Meaning
Greek eulalos, well-spoken or sweetly speaking
From Greek eu, well, and lalein, to speak or chatter. Eulalia, the feminine, belonged to a young martyr of Merida in Roman Spain, and her cult spread across the Iberian peninsula and into France, where she becomes Eulalie. Eulalio is the Spanish masculine, formed by the regular exchange of the Latin -a ending for -o.
How the name formed
- eulalos
- Eulalia
- Eulalio
Related forms: Eulalia · Eulalie · Eulalia
Pronouncing Eulalio
eh-oo-LAH-lyo
Four syllables in careful Spanish, often three in speech, stress on the third from the end. English speakers say yoo-LAY-lee-oh, giving the eu the English value it has in Eugene, which Spanish does not.
Nicknames for Eulalio
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1913
- Most boys named
- 192527 — the highest on record
- Peak rank
- #1154reached in 1929
- Change vs 2023
- +28.6%9 in 2025, from 7
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Eulalio in other languages
The same name elsewhere
- Eulalia in Spanish — related form
- Eulalie in French — related form
- Eulalia in Catalan — same name
Eulalios among us
people named Eulalio are estimated to be alive in the US today
About 1 boy in 189,786 born in 2025 was named Eulalio
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
What happens to a name after it peaks
The Kalman test
Every popular name lives one long story — a climb, a peak, a slow settling back. Eulalio's later chapters haven't been written yet, so we borrowed them: Kalman climbed just as high around 1914, and its whole arc is on record. Line the two peaks up, and Kalman's path sketches the road Eulalio is walking now.
Eulalio sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Eulalio beside its neighbors
The names ranked closest to Eulalio in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- The meaning is settled and pleasant.
- Lalo is a warm and widely used short form.
- It carries a documented history in Spanish Christianity.
- English and Spanish read the opening eu quite differently.
- The name is closely tied to the female Eulalia.
- It reads as early twentieth century in American records.
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What they receive
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Eulalio
Masculine · #8243 in the U.S.
Frequently asked
- How many Eulalios are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,000 people named Eulalio are estimated to be alive in the US today.
- How popular is the name Eulalio in 2025?
- Eulalio ranks #8243 among US boy names in 2025, with 9 babies given the name.
- How rare is the name Eulalio?
- About 1 in every 189,786 US boys born in 2025 was named Eulalio — 9 in all.
- Will my child share the name Eulalio with classmates?
- Eulalio will almost certainly be the only one in school.
Ranked beside Eulalio
Names sitting at a similar level of popularity right now.
Danial#8243 · Ogden#8243 · Aaren#8243 · Trinity#8243 · Kourtney#8243 · Maury#8243 · Lindon#8243 · Elbert#8243
Looking for what else is popular rather than what resembles Eulalio? See the current top 100.
Choosing between Eulalio and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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