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Ciriaco

Boys' name

Belonging or pertaining to the Lord, through κυριακός

Ciriaco has been given to 57 babies in the U.S. since 1923. 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 1933, with 8 recorded.

Babies named Ciriaco, 1994

1 in 743,000

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Ciriaco: meaning, origin, and history

Belonging or pertaining to the Lord, through κυριακός

Ancient Greek

What Ciriaco means

Ciriaco belongs to the name family reached through Ciriaco → κυριακός. Its meaning is “belonging or pertaining to the Lord”.

Origin, language, and formation

Ciriaco is used in Cebuano, Italian and Spanish. Its origins include Ancient Greek.

Ciriaco comes through Spanish Ciriaco.

Related names and everyday forms

Related names include κυριακός.

Pronunciation and spelling

In Italian, Ciriaco is pronounced /t͡ʃiˈri.a.ko/.

American usage and historical context

In the United States, 57 boys were recorded with the name Ciriaco between 1923 and 1994. Its highest annual count was 8 in 1933; its best national rank was #2,779 in 1933.

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 Ciriaco?

Ciriaco had fewer than 5 recorded uses in 2025, so these figures use 1994, the last year it was published.

Among all babies, 1994
1 in 743,000
5 of 3,715,972 births
Among boys only
1 in 386,000
<0.01% of boys
Rank, 1994
Unranked
Fewer than 5 uses
Coin-flip room size
515,144 kids
Even odds of a second one

Where Ciriaco 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 1994 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 515,144 children born in 1994 and it's an even bet that one of them is another Ciriaco. In a class of 30 the chance is Under 1%.

When Ciriacos were born

Half of everyone ever recorded as Ciriaco was born before 1930 — so the typical Ciriaco is around 95 today.

Median birth year
1930
About 95 years old
Biggest decade
1920s
49.1% of all use
Born in the last 25 years
17.5%
Spread across generations
Recorded since 1950
10
People you could plausibly meet
Choose a decade

1920s — 49.1% of all recorded uses (28).

Is Ciriaco 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 1933 (8)
Years since peak
92
Years
Year-to-year steadiness
Shifting
20.0% average annual change
Best rank ever
#2,779
1933

Spellings of Ciriaco

Ciriaco is not the most common spelling — Cipriano is, with 65.3% against Ciriaco's 1.7%.

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.

Ciriaco around the world

Where Ciriaco 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
    1973–1974
    #455
    in 1974

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

Ciriaco 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
#2,779
1933
Peak year
1933
8 that year
First recorded
1923
Last recorded
1994
All-time count
57
Count in 2025
Under 5

Names similar to Ciriaco

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

MonacoCirildoCirrusCiriloCireCirinoJacoRonreacoCireeSpartacoWacoDracoCiroPaco

Sibling names for Ciriaco

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 Ciriaco

Top names of 1933, Ciriaco's peak yearThe 1930s in fullOther names that peaked in 1933Boys' names starting with C