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Roi

#3,432 in 2025UnisexBoys' nameGirls' name

Famous ruler

Roi has been given to 430 babies in the U.S. since 1952. In 2025 it ranked #3,432 of 13,926 boys’ names in use. Its peak year was 2025, with 34 recorded. It's used for both sexes: 88% boys, 12% girls all-time.

Babies named Roi, 2025

1 in 97,500

Roi over time, 1880–2025

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Roi over time

In 2025, Roi went to 0% girls and 100% boys.

19442025

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.

Roi: meaning, origin, and history

Famous ruler

Deeper origin not confirmed in the cited records

What Roi means

Roi means “famous ruler”, associated with Hrōþirīks.

Origin, language, and formation

Roi is used in Galician.

Roi comes through Gothic *𐌷𐍂𐍉𐌸𐌹𐍂𐌴𐌹𐌺𐍃 and Proto-Germanic *Hrōþirīks.

Related names and everyday forms

Related names include Roderick.

Pronunciation and spelling

In Galician, Roi is pronounced /ˈrɔj/.

American usage and historical context

In the United States, 379 boys were recorded with the name Roi between 1952 and 2025. Its highest annual count was 34 in 2025; its best national rank was #3,373 in 1953.

Over 5 years its rank rose, from #6,216 in 2020 to #3,432 in 2025. Over 10 years its rank rose, from #6,238 in 2015 to #3,432 in 2025.

In the United States, 51 girls were recorded with the name Roi between 1944 and 1957. Its highest annual count was 10 in 1949; its best national rank was #3,573 in 1949.

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 Roi?

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

Among all babies, 2025
1 in 97,500
34 of 3,315,165 births
Among boys only
1 in 50,200
<0.01% of boys
Rank, 2025
#3,432
of 13,926 boys’ names in use
Coin-flip room size
67,586 kids
Even odds of a second one

Where Roi 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 67,586 children born in 2025 and it's an even bet that one of them is another Roi. In a class of 30 the chance is Under 1%.

When Rois were born

Half of everyone ever recorded as Roi was born before 2017 — so the typical Roi is around 8 today.

Median birth year
2017
About 8 years old
Biggest decade
2020s
38.8% of all use
Born in the last 25 years
82.8%
A modern name
Recorded since 1950
379
People you could plausibly meet
Choose a decade

2020s — 38.8% of all recorded uses (147).

Is Roi 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
+236
Places climbed
Rank vs 5 years ago
+2,784
Places climbed
Rank vs 10 years ago
+2,806
Places climbed
Births vs 10 years ago
2.43×
More babies than then
Share of its own peak
100.0%
Peak was 2025 (34)
Years since peak
Peaking now
At its all-time high
Year-to-year steadiness
Volatile
26.6% average annual change
Best rank ever
#3,373
1953

Where Roi is used

Across 1910–2025, Roi was most concentrated in California — about 1 in — boys, against 1 in 1,304,427 across all states with data. It was least common in Texas (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2Massachusetts1 in —
  3. 3New York1 in —
  4. 4Texas1 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. Roi has too little recent state data to map, so this covers all years from 1910.

Roi around the world

Where Roi 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
    2015–2025
    #4,275
    in 2025
  • Canada
    2018–2024
    #2,855
    in 2024
  • South Australia
    1963–1996
    #540
    in 1996

Popularity data from Office for National Statistics, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Roi by the numbers

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

As a boy's name

Rank in 2025
#3,432
Trend vs 5 yrs ago
Up 2,784
Best rank ever
#3,373
1953
Peak year
2025
34 that year
First recorded
1952
Last recorded
2025
All-time count
379
Count in 2025
34

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#3,573
1949
Peak year
1949
10 that year
First recorded
1944
Last recorded
1957
All-time count
51
Count in 2025
Under 5

Names similar to Roi

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

TroiKroiElroiLeroiRoicLaroi

Sibling names for Roi

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 Roi

Top names of 2025, Roi's peak yearThe 2020s in fullOther names that peaked in 1953Boys' names starting with RGalician Boy NamesGalician Names