Rein

#11,701 in 2025UnisexBoys' nameGirls' name

Advice, counsel, decision

Rein has been given to 278 babies in the U.S. since 1953. In 2025 it ranked #11,701 of 13,926 boys’ names in use. Its peak year was 2024, with 14 recorded. It's used for both sexes: 56% boys, 44% girls all-time.

Babies named Rein, 2025

1 in 553,000

Rein over time, 1880–2025

BoysGirls

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Rein over time

In 2025, Rein went to 67% girls and 33% boys.

19532025

A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.

Rein: meaning, origin, and history

Advice, counsel, decision

Deeper origin not confirmed in the cited records

What Rein means

Rein means “advice, counsel, decision”.

Origin, language, and formation

Rein is used in Estonian.

American usage and historical context

In the United States, 157 boys were recorded with the name Rein between 1953 and 2025. Its highest annual count was 14 in 2024; its best national rank was #3,710 in 1953.

Over 5 years its rank rose, from #13,609 in 2020 to #11,701 in 2025. Over 10 years its rank rose, from #11,782 in 2015 to #11,701 in 2025.

In the United States, 121 girls were recorded with the name Rein between 2006 and 2025. Its highest annual count was 15 in 2023; its best national rank was #7,559 in 2023.

Over 5 years its rank rose, from #11,908 in 2020 to #8,749 in 2025. Over 10 years its rank rose, from #12,755 in 2015 to #8,749 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 Rein?

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

Among all babies, 2025: 1 in 553,000; 6 of 3,315,165 births
Among boys only: 1 in 285,000; <0.01% of boys
Rank, 2025: #11,701; of 13,926 boys’ names in use
Coin-flip room size: 382,984 kids; Even odds of a second one

Where Rein 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 382,984 children born in 2025 and it's an even bet that one of them is another Rein. In a class of 30 the chance is Under 1%.

When Reins were born

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

Median birth year: 2016; About 9 years old
Biggest decade: 2010s; 33.8% of all use
Born in the last 25 years: 85.4%; A modern name
Recorded since 1950: 157; People you could plausibly meet

Choose a decade

2010s — 33.8% of all recorded uses (53).

Is Rein 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: −5,297; Places dropped
Rank vs 5 years ago: +1,908; Places climbed
Rank vs 10 years ago: +81; Places climbed
Births vs 10 years ago: 1.00×; More babies than then
Share of its own peak: 42.9%; Peak was 2024 (14)
Years since peak: 1; Years
Year-to-year steadiness: Volatile; 33.2% average annual change
Best rank ever: #3,710; 1953

Spellings of Rein

Rein is not the most common spelling — Kevin is, with 28.9% against Rein's <0.01%.

Kevin28.9%1,184,507
Ryan23.5%964,123
Sean10.3%423,637
Dean4.7%192,930
Leon4.5%182,638
Devin3.8%156,250
Neil2.6%104,869
Ben2.1%85,349

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.

Rein around the world

Where Rein 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.

England & Wales
2019–2020
#4,608
in 2020

Popularity data from Office for National Statistics. ONS data under Open Government Licence v3.0.

Rein by the numbers

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

As a boy's name

Rank in 2025: #11,701
Trend vs 5 yrs ago: Up 1,908
Best rank ever: #3,710; 1953
Peak year: 2024; 14 that year
First recorded: 1953
Last recorded: 2025
All-time count: 157
Count in 2025: 6

As a girl's name

Rank in 2025: #8,749
Trend vs 5 yrs ago: Up 3,159
Best rank ever: #7,559; 2023
Peak year: 2023; 15 that year
First recorded: 2006
Last recorded: 2025
All-time count: 121
Count in 2025: 12

Names similar to Rein

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

Reiss Reis Rei Reiden Reise Reiner Zein Reice Reik Klein Reif Kein Reily Reinhart Reiley Reino Reinier Ein Stein Reilley Reign Reiko Reichen Reide

Sibling names for Rein

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 Sydni Leonor Sydnie Shyann Karleigh Alysa

For a brother

Aaden Kale Evans Hamilton Caesar Brennen Tobin Jerimiah

Explore around Rein

Top names of 2024, Rein's peak year The 2020s in full Other names that peaked in 1953 Boys' names starting with R Estonian Boy Names Estonian Names