Dominicus

Boys' name

Literal meaning not recorded

Dominicus has been given to 5 babies in the U.S. since 2021. 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 2021, with 5 recorded.

Babies named Dominicus, 2021

1 in 678,000

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Dominicus: meaning, origin, and history

Literal meaning not recorded

Deeper origin not confirmed in the cited records

What Dominicus means

Dominicus is a given name.

Origin, language, and formation

Dominicus is used in Latin.

Pronunciation and spelling

In Latin, Dominicus is pronounced [dɔˈmɪ.nɪ.kʊs].

American usage and historical context

In the United States, 5 boys were recorded with the name Dominicus between 2021 and 2021. Its highest annual count was 5 in 2021; its best national rank was #12,629 in 2021.

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 Dominicus?

Dominicus had fewer than 5 recorded uses in 2025, so these figures use 2021, the last year it was published.

Among all babies, 2021: 1 in 678,000; 5 of 3,389,958 births
Among boys only: 1 in 350,000; <0.01% of boys
Rank, 2021: Unranked; Fewer than 5 uses
Coin-flip room size: 469,949 kids; Even odds of a second one

Where Dominicus 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 2021 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 469,949 children born in 2021 and it's an even bet that one of them is another Dominicus. In a class of 30 the chance is Under 1%.

When Dominicuss were born

Half of everyone ever recorded as Dominicus was born before 2021 — so the typical Dominicus is around 4 today.

Median birth year: 2021; About 4 years old
Biggest decade: 2020s; 100.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 5; People you could plausibly meet

Choose a decade

2020s — 100.0% of all recorded uses (5).

Is Dominicus 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 2021 (5)
Years since peak: 4; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #12,629; 2021

Spellings of Dominicus

Dominicus is not the most common spelling — Dominic is, with 68.1% against Dominicus's <0.01%.

Dominic68.1%193,424
Dominick23.6%67,180
Dominique8.3%23,557
Dominicus<0.01%5

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.

Dominicus around the world

Where Dominicus 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
1962–1962
#548
in 1962

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

Dominicus 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: #12,629; 2021
Peak year: 2021; 5 that year
First recorded: 2021
Last recorded: 2021
All-time count: 5
Count in 2025: Under 5

Names similar to Dominicus

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

Sibling names for Dominicus

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

Journi Lennox Berkley Layne Ellison Legacy Marleigh Adley

For a brother

Henri Rian Finnley Axton Yaakov Grey Magnus Ameer

Explore around Dominicus

Top names of 2021, Dominicus's peak year The 2020s in full Other names that peaked in 2021 Boys' names starting with D