Deimos

#8,409 in 2025Boys' name

Terror

Deimos has been given to 47 babies in the U.S. since 2015. In 2025 it ranked #8,409 of 13,926 boys’ names in use. Its peak year was 2025, with 9 recorded.

Babies named Deimos, 2025

1 in 368,000

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Deimos: meaning, origin, and history

Terror

Deeper origin not confirmed in the cited records

What Deimos means

Deimos means “terror”.

American usage and historical context

In the United States, 47 boys were recorded with the name Deimos between 2015 and 2025. Its highest annual count was 9 in 2025; its best national rank was #8,409 in 2025.

Over 10 years its rank rose, from #9,788 in 2015 to #8,409 in 2025.

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.

U.S. Social Security Administration: national name data and limitations

How common is Deimos?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025: 1 in 368,000; 9 of 3,315,165 births
Among boys only: 1 in 190,000; <0.01% of boys
Rank, 2025: #8,409; of 13,926 boys’ names in use
Coin-flip room size: 255,323 kids; Even odds of a second one

Where Deimos 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 2025 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 255,323 children born in 2025 and it's an even bet that one of them is another Deimos. In a class of 30 the chance is Under 1%.

When Deimoss were born

Half of everyone ever recorded as Deimos was born before 2022 — so the typical Deimos is around 3 today.

Median birth year: 2022; About 3 years old
Biggest decade: 2020s; 74.5% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 47; People you could plausibly meet

Choose a decade

2020s — 74.5% of all recorded uses (35).

Is Deimos 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: +1,723; Places climbed
Rank vs 5 years ago: New entry; Not ranked then
Rank vs 10 years ago: +1,379; Places climbed
Births vs 10 years ago: 1.29×; More babies than then
Share of its own peak: 100.0%; Peak was 2025 (9)
Years since peak: Peaking now; At its all-time high
Year-to-year steadiness: Volatile; 34.9% average annual change
Best rank ever: #8,409; 2025

Spellings of Deimos

Deimos is not the most common spelling — Deion is, with 38.0% against Deimos's 0.30%.

Deion38.0%6,043
Delmas14.2%2,259
Dimas11.5%1,834
Delos8.3%1,324
Desmon8.1%1,293
Dezmon5.4%866
Demon5.3%850
Daimon5.0%802

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.

Deimos by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025: #8,409
Trend vs 5 yrs ago: New entry
Best rank ever: #8,409; 2025
Peak year: 2025; 9 that year
First recorded: 2015
Last recorded: 2025
All-time count: 47
Count in 2025: 9

Names similar to Deimos

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

Deivid Deivis Deiby Deivi Cosmos Deison Deivy Deian Deionta Deiner Deivin Deijon Deidre Deisel Deiontre Delmos Deighton Deitric Deione Deizel Ramos Thomos Deiren Deiker

Sibling names for Deimos

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

Annabell Abagail Leonor Karleigh Rhianna Adelle Keren Kendyl

For a brother

Aaden Kale Evans Hamilton Caesar Brennen Tobin Jerimiah

Explore around Deimos

Top names of 2025, Deimos's peak year The 2020s in full Other names that peaked in 2025 Boys' names starting with D