unisex name

Rein

  • Gender Unisex
  • Syllables 1
  • Letters 4
  • Popularity Rare
  • Births on record 284

Rein is a unisex name with 1 syllable. It is given to both girls and boys — about 43% of recorded births with this name are girls. In 2025 it was given to 18 babies in the United States. It is a rare choice.

  • Peaked in 2023, when 27 babies were given the name.
  • It has been rising over the past decade.
  • Today about 1 in 184,196 babies in the United States is given this name.
  • First appears in US birth records in 1953.
  • 1 syllable, with the stress on syllable 1.

Rein over time

Births per decade in the United States, 1950s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.

109
'50 '80 '90 '00 '10 '20
Show the numbers
Births named Rein by decade in the United States
Decade Births
1950s 6
1980s 6
1990s 11
2000s 44
2010s 102
2020s (to 2025) 109

How popular is Rein?

In 2025, Rein was given to 18 babies in the United States. It is a rare choice.

Where Rein is used

England & Wales #5,729 3 in 2020
United States #8,716 18 in 2025

The bar shows how near the top of each country's list the name sits, on a scale where #1 fills the row and #1,000 is a sliver. The figures beside it are the real rank and the babies recorded that year.

US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.

Names that peaked alongside Rein

These names rose and fell in the same era, which is why they tend to sound like they belong together.

Parents who like Rein also like

Names whose popularity has risen and fallen in step with Rein over the last century — the same taste, a different name.

Sibling names for Rein

Names from the same era that won't rhyme or share an initial with Rein — the two things that make a sibling set grate.

Common questions about Rein

How popular is the name Rein?

In 2025, Rein was given to 18 babies in the United States. It is a rare choice.

Is Rein a girl's or a boy's name?

Rein is used for both girls and boys. About 43% of recorded births with this name are girls.

How many syllables are in Rein?

Rein has 1 syllable.

When was Rein most popular?

Rein peaked in 2023, when 27 babies were given the name. It has been rising over the past decade.

Is Rein a good name?

That is not something records can settle, but they can tell you what you would be choosing. Rein currently ranks #8,716 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.