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Cillin

maleStatistical record

What official birth registration shows about Cillin: which national registrars published it, in which years, and how its recorded position changed.

No researched meaning, origin or pronunciation yet — what that means.

Trend unknown

among boys in Northern Ireland · 2017

Northern Ireland · Boys rank from 2017 to 2017, ranging from #415 to #415.2017#415#415
How to read this chart#1#500no figure publishedUp means a stronger rankBottom is this name's lowest,not zero
  • A rank is a position in one registrar's list for one year.
  • Ranks from different countries are separate scales, so compare shapes, not numbers.
  • A rise in rank can be a small change in births, especially far down a list.
View as table
Northern Ireland · Boys rank by year
YearRank
2017#415

VerifiedSource: NISRA — Northern Ireland Baby Names.Confidence: high.

See all Northern Ireland names · Source: NISRA — Northern Ireland Baby Names

What the data shows

Trend unknownNorthern Ireland · Boys

Recorded in official data among boys in Republic of Ireland in 10 of the 28 years from 1987 to 2014.

Official data from 2 national registrars across 2 regions, 1987–2017 · NISRA. Data sources

Year-by-year storyFirst recorded, most recent, each country and each decade

Popularity journey

  1. First recorded1987

    First recorded at #272 among boys in Republic of Ireland in 1987 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Republic of Ireland · Boys

  2. Highest recorded1987–2014

    Highest recorded position: #235 among boys in Republic of Ireland, in 1993 (recorded 1987–2014).

    Republic of Ireland · Boys

  3. Most recent2014

    Most recently recorded at #715 among boys in Republic of Ireland, in 2014.

    Republic of Ireland · Boys

Full data tableEvery published rank and count

Popularity data

Official popularity data is available for 2 regions, from 1987 to 2017. Highest recorded position: #235 in Republic of Ireland in 1993.

Cillin's recorded popularity observations by year, region and administrative category, including rank, registered births, source confidence and when each region's data was last reviewed.
YearRegionCategoryRankBirths registeredConfidenceStatus
2017Northern Irelandmale#4153HighVerified
2014Republic of Irelandmale#7153HighVerified
2009Republic of Irelandmale#7013HighVerified
2002Republic of Irelandmale#3485HighVerified
2000Republic of Irelandmale#2746HighVerified
1999Republic of Irelandmale#3793HighVerified
1996Republic of Irelandmale#3364HighVerified
1993Republic of Irelandmale#2357HighVerified
1992Republic of Irelandmale#3373HighVerified
1990Republic of Irelandmale#3233HighVerified
1987Republic of Irelandmale#2724HighVerified

See methodology and data sources for how popularity data is collected and what "confidence" means.

Where Cillin is officially recorded

2 official registrars have recorded Cillin, between 1987 and 2017, in 11 of those 31 years. Each registrar publishes for its own population on its own methodology, so the positions below are each one country's own ranking and are not comparable with one another.

Republic of IrelandRepublic of Ireland: recorded in 1987Republic of Ireland: recorded in 1990Republic of Ireland: recorded in 1992Republic of Ireland: recorded in 1993Republic of Ireland: recorded in 1996Republic of Ireland: recorded in 1999Republic of Ireland: recorded in 2000Republic of Ireland: recorded in 2002Republic of Ireland: recorded in 2009Republic of Ireland: recorded in 2014Republic of Ireland: highest position in 1993Northern IrelandNorthern Ireland: recorded in 2017Northern Ireland: highest position in 201719872017
Each mark is a year the registrar recorded the name; the diamond is that registrar's highest position. Gaps can mean a year was not published, not that the name went unused.
RegistrarRecordedYearsIts own highest position
Republic of Ireland1987–201410#235 in 1993
Northern Ireland20171#415 in 2017

Its high point came 24 years earlier in Republic of Ireland (1993) than in Northern Ireland (2017).

No registrar recorded it for 6 years after 2002; it appears again in 2009.

Names measured beside itNeighbours, comparisons, related names and shared trajectories

What is known about Cillin

How to read this
How often it is registered
Official record
2 official registrars, 1987–2017.
Meaning
Not established
Not researched yet.
Origin
Not established
Not researched yet.
Pronunciation
Not established
Not recorded yet.

A claim marked not established does not mean the name lacks a meaning or is not widely used — only that Namewise has not sourced and reviewed that content yet. Absence from a specific year or geography above does not prove zero use there either; official statistics only publish names above a minimum threshold.

Official popularity data is available for 2 regions, from 1987 to 2017. Highest recorded position: #235 in Republic of Ireland in 1993. Source data last verified 2026-07-22.