Eero

#7,816 in 2025Boys' name

Ever ruler, eternal ruler, through Eerik

Eero has been given to 358 babies in the U.S. since 2000. In 2025 it ranked #7,816 of 13,926 boys’ names in use. Its peak year was 2015, with 32 recorded.

Babies named Eero, 2025

1 in 332,000

Eero over time, 1880–2025

Boys
01020304018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Eero: meaning, origin, and history

Ever ruler, eternal ruler, through Eerik

Old Norse

What Eero means

Eero belongs to the name family reached through Eero → Eerik. Its meaning is “ever ruler, eternal ruler”.

Origin, language, and formation

Eero is used in Estonian and Finnish. Its origins include Old Norse.

Related names and everyday forms

Related names include Eric and Eerik.

Pronunciation and spelling

In Finnish, Eero is pronounced /ˈeːro/.

American usage and historical context

In the United States, 358 boys were recorded with the name Eero between 2000 and 2025. Its highest annual count was 32 in 2015; its best national rank was #3,455 in 2015.

Over 5 years its rank fell, from #4,306 in 2020 to #7,816 in 2025. Over 10 years its rank fell, from #3,455 in 2015 to #7,816 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.

Wiktionary material is available under CC BY-SA 4.0.

How common is Eero?

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

Among all babies, 2025
1 in 332,000
10 of 3,315,165 births
Among boys only
1 in 171,000
<0.01% of boys
Rank, 2025
#7,816
of 13,926 boys’ names in use
Coin-flip room size
229,791 kids
Even odds of a second one

Where Eero 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 229,791 children born in 2025 and it's an even bet that one of them is another Eero. In a class of 30 the chance is Under 1%.

When Eeros were born

Half of everyone ever recorded as Eero was born before 2016 — so the typical Eero is around 9 today.

Median birth year
2016
About 9 years old
Biggest decade
2010s
55.9% of all use
Born in the last 25 years
98.6%
A modern name
Recorded since 1950
358
People you could plausibly meet
Choose a decade

2010s — 55.9% of all recorded uses (200).

Is Eero 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
−2,095
Places dropped
Rank vs 5 years ago
−3,510
Places dropped
Rank vs 10 years ago
−4,361
Places dropped
Births vs 10 years ago
0.31×
Fewer babies than then
Share of its own peak
31.3%
Peak was 2015 (32)
Years since peak
10
Years
Year-to-year steadiness
Volatile
30.8% average annual change
Best rank ever
#3,455
2015

Spellings of Eero

Eero is not the most common spelling — Earl is, with 24.4% against Eero's 0.03%.

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.

Where Eero is used

Across 1910–2025, Eero was most concentrated in California — about 1 in — boys, against 1 in 1,340,977 across all states with data.

00 per 100,000

Most concentrated

  1. 1California1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Eero has too little recent state data to map, so this covers all years from 1910.

Eero by the numbers

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

As a boy's name

Rank in 2025
#7,816
Trend vs 5 yrs ago
Down 3,510
Best rank ever
#3,455
2015
Peak year
2015
32 that year
First recorded
2000
Last recorded
2025
All-time count
358
Count in 2025
10

Names similar to Eero

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

Sibling names for Eero

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 Eero