Dionysius

Boys' name

Transliteration of Διονύσιος

Dionysius has been given to 27 babies in the U.S. since 1971. 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 2002, with 7 recorded.

Babies named Dionysius, 2002

1 in 534,000

Dionysius over time, 1880–2025

Boys

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Dionysius: meaning, origin, and history

Transliteration of Διονύσιος

Ancient Greek

What Dionysius means

Dionysius is a transliteration of Διονύσιος.

Dictionary etymologyReferences, data & attribution

From Latin Dionysius, from Ancient Greek Διονύσιος (Dionúsios).

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

Wiktionary material is available under CC BY-SA 4.0.

Origin, language, and formation

Dionysius is used in English and Latin. Its origins include Ancient Greek.

Dionysius comes through Latin Dionysius and Ancient Greek Διονύσιος.

Related names and everyday forms

Related names include Διονύσιος and Dennis.

Pronunciation and spelling

In English, Dionysius is pronounced /daɪəˈnɪzɪəs/.

American usage and historical context

In the United States, 27 boys were recorded with the name Dionysius between 1971 and 2002. Its highest annual count was 7 in 2002; its best national rank was #5,106 in 1971.

How common is Dionysius?

Dionysius had fewer than 5 recorded uses in 2025, so these figures use 2002, the last year it was published.

Among all babies, 2002: 1 in 534,000; 7 of 3,737,275 births
Among boys only: 1 in 277,000; <0.01% of boys
Rank, 2002: Unranked; Fewer than 5 uses
Coin-flip room size: 370,070 kids; Even odds of a second one

Where Dionysius 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 2002 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 370,070 children born in 2002 and it's an even bet that one of them is another Dionysius. In a class of 30 the chance is Under 1%.

When Dionysiuss were born

Half of everyone ever recorded as Dionysius was born before 1994 — so the typical Dionysius is around 31 today.

Median birth year: 1994; About 31 years old
Biggest decade: 2000s; 44.4% of all use
Born in the last 25 years: 81.5%; A modern name
Recorded since 1950: 27; People you could plausibly meet

Choose a decade

2000s — 44.4% of all recorded uses (12).

Is Dionysius 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 2002 (7)
Years since peak: 23; Years
Year-to-year steadiness: Volatile; 40.0% average annual change
Best rank ever: #5,106; 1971

Dionysius around the world

Where Dionysius 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
2003–2013
#754
in 2013

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

Dionysius 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: #5,106; 1971
Peak year: 2002; 7 that year
First recorded: 1971
Last recorded: 2002
All-time count: 27
Count in 2025: Under 5

Names similar to Dionysius

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

Sibling names for Dionysius

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

For a sister

Iyana Alize Lisbeth Vanesa Shakira Kaiya Shreya Anastacia

For a brother

Zakary Keyon Kelton Alexandre Jaylon Jaylin Jair Cristobal

Explore around Dionysius

Top names of 2002, Dionysius's peak year The 2000s in full Other names that peaked in 1971 Boys' names starting with D