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Keelin

UnisexGirls' nameBoys' name

Thin, slender + light, fair

Keelin has been given to 1,396 babies in the U.S. since 1956. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2002, with 61 recorded. It's used for both sexes: 74% girls, 26% boys all-time.

Babies named Keelin, 2022

1 in 564,000

Keelin over time, 1880–2025

GirlsBoys
02040608018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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

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

19562025

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.

Keelin: meaning, origin, and history

Thin, slender + light, fair

Irish

What Keelin means

Keelin means “thin, slender + light, fair”, associated with caol and fionn.

Dictionary etymologyReferences, data & attribution

Borrowed from Irish Caoilfhionn, from caol (“thin, slender”) + fionn (“light, fair”).

Excerpt from Wiktionary: Keelin (English) · CC BY-SA 4.0

Wiktionary material is available under CC BY-SA 4.0.

Origin, language, and formation

Keelin is used in English. Its origins include Irish.

American usage and historical context

In the United States, 1,040 girls were recorded with the name Keelin between 1956 and 2022. Its highest annual count was 61 in 2002; its best national rank was #2,563 in 2002.

In the United States, 356 boys were recorded with the name Keelin between 1991 and 2025. Its highest annual count was 23 in 2000; its best national rank was #3,584 in 2000.

Over 5 years its rank fell, from #6,828 in 2020 to #9,321 in 2025. Over 10 years its rank rose, from #10,111 in 2015 to #9,321 in 2025.

How common is Keelin?

Keelin had fewer than 5 recorded uses in 2025, so these figures use 2022, the last year it was published.

Among all babies, 2022
1 in 564,000
6 of 3,385,755 births
Among girls only
1 in 273,000
<0.01% of girls
Rank, 2022
Unranked
Fewer than 5 uses
Coin-flip room size
391,139 kids
Even odds of a second one

Where Keelin sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2022 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 391,139 children born in 2022 and it's an even bet that one of them is another Keelin. In a class of 30 the chance is Under 1%.

When Keelins were born

Half of everyone ever recorded as Keelin was born before 2002 — so the typical Keelin is around 23 today.

Median birth year
2002
About 23 years old
Biggest decade
2000s
41.9% of all use
Born in the last 25 years
69.8%
A modern name
Recorded since 1950
1,040
People you could plausibly meet
Choose a decade

2000s — 41.9% of all recorded uses (436).

Is Keelin 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
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 2002 (61)
Years since peak
23
Years
Year-to-year steadiness
Shifting
23.0% average annual change
Best rank ever
#2,563
2002

Spellings of Keelin

Keelin is not the most common spelling — Kelli is, with 28.8% against Keelin's 0.40%.

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 Keelin is used

Across 1910–2025, Keelin was most concentrated in California — about 1 in — girls, against 1 in 906,362 across all states with data. It was least common in Texas (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2Florida1 in —
  3. 3Georgia1 in —
  4. 4Massachusetts1 in —
  5. 5New York1 in —
  6. 6Pennsylvania1 in —
  7. 7Texas1 in —

Shading is the share of that state's recorded girls 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. Keelin has too little recent state data to map, so this covers all years from 1910.

Keelin around the world

Where Keelin 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
    1998–2020
    #5,493
    in 2020
  • Ireland
    1968–2025
    #718
    in 2025
  • Canada
    1993–2011
    #3,211
    in 2011
  • South Australia
    1973–2006
    #782
    in 2006

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

Keelin by the numbers

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

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#2,563
2002
Peak year
2002
61 that year
First recorded
1956
Last recorded
2022
All-time count
1,040
Count in 2025
Under 5

As a boy's name

Rank in 2025
#9,321
Trend vs 5 yrs ago
Down 2,493
Best rank ever
#3,584
2000
Peak year
2000
23 that year
First recorded
1991
Last recorded
2025
All-time count
356
Count in 2025
8

Names similar to Keelin

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

KeelynKeelieKeelaKeeshaKeevaKeeganYailinSkylinMerlinKeylinKailinEmelinDarlinJazlinJaslinRaelinRaylinAislinAdelinJoslinMarlinYaslinBerlinKeeley

Sibling names for Keelin

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 Keelin

Top names of 2002, Keelin's peak yearThe 2000s in fullOther names that peaked in 2002Girls' names starting with K