Namewise

Iarlaith

maleStatistical record

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

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

Rising

among boys in Northern Ireland · 2009–2024

Northern Ireland · Boys rank from 2009 to 2024, ranging from #136 to #390.20092017202020222024#136#390
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
2009#390
2015#342
2017#229
2019#254
2020#252
2021#249
2022#264
2023#232
2024#136

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

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

What the data shows

RisingNorthern Ireland · Boys

Recorded in official data among boys in Republic of Ireland in 24 of the 35 years from 1991 to 2025.

In 2024: #99 among boys in Republic of Ireland, #136 among boys in Northern Ireland.

Official data from 2 national registrars across 2 regions, 1991–2025 · NISRA. Data sources

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

Popularity journey

  1. First recorded1991

    First recorded at #324 among boys in Republic of Ireland in 1991 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Republic of Ireland · Boys

  2. Highest recorded1991–2025

    Highest recorded position: #85 among boys in Republic of Ireland, in 2025 (recorded 1991–2025).

    Republic of Ireland · Boys

  3. Most recent2025

    Most recently recorded at #85 among boys in Republic of Ireland, in 2025.

    Republic of Ireland · Boys

Full data tableEvery published rank and count

Popularity data

Official popularity data is available for 2 regions, from 1991 to 2025. Highest recorded position: #85 in Republic of Ireland in 2025.

Iarlaith'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
2024Northern Irelandmale#13616HighVerified
2023Northern Irelandmale#2328HighVerified
2022Northern Irelandmale#2647HighVerified
2021Northern Irelandmale#2498HighVerified
2020Northern Irelandmale#2527HighVerified
2019Northern Irelandmale#2547HighVerified
2017Northern Irelandmale#2298HighVerified
2015Northern Irelandmale#3424HighVerified
2009Northern Irelandmale#3903HighVerified
2025Republic of Irelandmale#8568HighVerified
2024Republic of Irelandmale#9956HighVerified
2023Republic of Irelandmale#11948HighVerified
2022Republic of Irelandmale#12150HighVerified
2021Republic of Irelandmale#11357HighVerified
2020Republic of Irelandmale#14739HighVerified
2019Republic of Irelandmale#14839HighVerified
2018Republic of Irelandmale#17732HighVerified
2017Republic of Irelandmale#20328HighVerified
2016Republic of Irelandmale#18232HighVerified
2015Republic of Irelandmale#16737HighVerified
2014Republic of Irelandmale#20329HighVerified
2013Republic of Irelandmale#22924HighVerified
2012Republic of Irelandmale#27917HighVerified
2011Republic of Irelandmale#30814HighVerified
2010Republic of Irelandmale#32213HighVerified
2009Republic of Irelandmale#36610HighVerified
2008Republic of Irelandmale#4726HighVerified
2006Republic of Irelandmale#4934HighVerified
2005Republic of Irelandmale#5183HighVerified
2003Republic of Irelandmale#5003HighVerified
2002Republic of Irelandmale#3934HighVerified
2001Republic of Irelandmale#4093HighVerified
1991Republic of Irelandmale#3243HighVerified

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

Where Iarlaith is officially recorded

2 official registrars have recorded Iarlaith, between 1991 and 2025, in 24 of those 35 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 1991Republic of Ireland: recorded in 2001Republic of Ireland: recorded in 2002Republic of Ireland: recorded in 2003Republic of Ireland: recorded in 2005Republic of Ireland: recorded in 2006Republic of Ireland: recorded in 2008Republic of Ireland: recorded in 2009Republic of Ireland: recorded in 2010Republic of Ireland: recorded in 2011Republic of Ireland: recorded in 2012Republic of Ireland: recorded in 2013Republic of Ireland: recorded in 2014Republic of Ireland: recorded in 2015Republic of Ireland: recorded in 2016Republic of Ireland: recorded in 2017Republic of Ireland: recorded in 2018Republic of Ireland: recorded in 2019Republic of Ireland: recorded in 2020Republic of Ireland: recorded in 2021Republic of Ireland: recorded in 2022Republic of Ireland: recorded in 2023Republic of Ireland: recorded in 2024Republic of Ireland: recorded in 2025Republic of Ireland: highest position in 2025Northern IrelandNorthern Ireland: recorded in 2009Northern Ireland: recorded in 2015Northern Ireland: recorded in 2017Northern Ireland: recorded in 2019Northern Ireland: recorded in 2020Northern Ireland: recorded in 2021Northern Ireland: recorded in 2022Northern Ireland: recorded in 2023Northern Ireland: recorded in 2024Northern Ireland: highest position in 202419912025
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 Ireland1991–202524#85 in 2025
Northern Ireland2009–20249#136 in 2024

No registrar recorded it for 9 years after 1991; it appears again in 2001.

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

What is known about Iarlaith

How to read this
How often it is registered
Official record
2 official registrars, 1991–2025.
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 1991 to 2025. Highest recorded position: #85 in Republic of Ireland in 2025. Source data last verified 2026-07-22.