Isidoro
Masculine · “Gift of Isis”
Isidoro is a Christian name that honors an Egyptian goddess, and everyone involved knew it. Isis was worshipped across the Roman world for centuries, her name went into hundreds of personal names, and the Church absorbed the lot without much comment.
How old is the name Isidoro?
Isidoro first appears in US birth records in 1913 — 112 years ago. The typical Isidoro alive today was born around 1971, making them about 54 years old. About 900 people named Isidoro are estimated to be alive in the US today.
When was the name Isidoro most popular?
Isidoro peaked in 1929, reaching #1480 nationally. See the whole 1929 chart.
Lists built from the same records:
Where it comes from
From Isidoros to Isidoro
The story of Isidoro
The bearer who matters most is Isidore of Seville, a Visigothic bishop in seventh-century Spain who set out to write down everything anyone knew. The result, the Etymologies, is twenty books covering grammar, medicine, law, animals, ships, food, war and the shape of the world, organized on the theory that the origin of a word reveals the nature of the thing. It was wrong about a great deal and it was copied everywhere, becoming one of the most read books in medieval Europe and the ancestor of every encyclopedia since. Because of that, and because he tried to gather all knowledge into one searchable place, he has been proposed as the patron saint of the internet.
Meaning
Gift of Isis
Greek Isidoros joins the goddess's name to doron, a gift, and it belongs to a large family of names formed the same way: Theodore, gift of God; Diodorus, gift of Zeus; Heliodorus, gift of the sun. The formula was ordinary. That the name survived the end of the cult it refers to, and was carried by bishops and saints for a thousand years afterwards, says something about how names outlive the beliefs that made them.
How the name formed
- Isidoros
- Isidorus
- Isidoro
Related forms: Isidro · Isidoro · Isidore · Isidoros · Isidoro
Pronouncing Isidoro
ee-see-DOH-roh
Four syllables with the stress on the third in Spanish and Italian. English speakers usually say IZ-i-dor for the shorter form and stumble on this one; the s is voiceless in both source languages, not a z.
Nicknames for Isidoro
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
- 199324 — the highest on record
- Peak rank
- #1480reached in 1929
- Change vs 2021
- +12.5%9 in 2023, from 8
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.
Isidoro in other languages
The same name elsewhere
- Isidro in Spanish — related form
- Isidoro in Italian — same name
- Isidore in French — same name
- Isidoros in Greek — transliteration
- Isidoro in Portuguese — same name
Isidoros among us
people named Isidoro are estimated to be alive in the US today
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
Questions parents actually ask
Fashion outlook
Isidoro sits outside the current charts, and that is its own kind of answer: naming cycles can only date the names they carried up. A name this rare has no decade stamped on it — it cannot go out of fashion, because it was never in.
Based on 146 years of naming cycles. How we read them
The trade-off
- It works unchanged in Italian, Spanish and Portuguese, and is recognizable in French and Greek.
- The meaning is transparent, checkable and connected to a genuinely interesting person.
- Four syllables give it real formality, and there are short forms in two languages underneath.
- English speakers will reach for Isidore, the shorter form, and drop the final vowel.
- The name is dated in Spanish-speaking countries as well, and reads as a grandfather's name there too.
- A name honoring an Egyptian goddess may need explaining to families who expect saints' names to be Christian throughout.
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What they receive
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Isidoro
Masculine
Frequently asked
- How many Isidoros are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 900 people named Isidoro are estimated to be alive in the US today.
- How popular is the name Isidoro in 2025?
- Isidoro is rarely given in the US today — it does not rank in the top 2000 boy names.
- Will my child share the name Isidoro with classmates?
- Isidoro will almost certainly be the only one in school.
More I names
The most-given names starting with I, all years combined.
Isaac#47 · Ian#83 · Isaiah#57 · Ivan#162 · Israel#315 · Ira#819 · Irving#1778 · Ismael#263
Looking for what else is popular rather than what resembles Isidoro? See the current top 100.
Choosing between Isidoro and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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