Given name

Ruairi

Ruairi is a masculine given name from Irish.

Meaning & origin

Where it comes from

Ruairi is a variant of Ruaidhrí. An origin associated with Ruaidhrí is Celtic.

Explained through its name family

The story

Published U.S. birth records include this spelling as early as 1988. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Ruairi through the years

Babies since 1880
301
289 boys · 12 girls
Most popular year
2021
23 babies
2025
23
#5,570 for boys · #14,595 for girls
2021–25 vs 2016–20
+47%
Rising
Boys Girls
05101520002025Highest share 2022Boys 10.0Girls 3.7
Ruairi in U.S. Social Security birth records, 1988–2025, per million births of each sex. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 17 U.S. birth records for boys, ranking No. 5,570 among boys’ names. Average annual use for boys was 27.4% higher in 2021–2025 than in 2016–2020. It also appeared in 6 birth records for girls in 2025. Published U.S. population figures for this spelling include 296 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Ruairi’s family of names

Ruairi has a related form in Ruaidhrí.

Walk Ruairi’s family in the name graph

RuairiRuairíRuaidhrí

Inner ring: spellings · outer: nicknames and forms.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 1

Diminutives, pet forms, short forms and variants used alongside the name.

Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

People named Ruairi

Listed by how widely each person is written about, which says nothing about the name itself.

Similar names

If you love Ruairi, these share its style, era, origin or sound, from outside its own family.

Modern

Ramiri

16Very rare

>99% boys

Modern

Khmari

24RareRising fast

92% boys · 8% girls

Indian · Modern

Hari

“resembling a lion”

24RareRising

95% boys · 5% girls

Modern

Romir

24RareRising fast

>99% boys

Modern

Uzair

28RareRising

>99% boys

Modern

Raafi

0Not recently recorded

>99% boys

Modern

Rasai

11Very rare

>99% boys

Modern

Jakhari

37RareRising fast

97% boys · 3% girls

Sibling ideas

Names that share Ruairi’s feel without repeating its first letter or rhyming with it.

A brother for Ruairi

A sister for Ruairi