Erin vs Koah

Erin and Koahcompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.

Head to head

Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.

England and Wales · Girls
In 2023, Erin was ranked #65 and Koah #5687 among girls in England and Wales.
England and Wales · Boys
In 2024, Erin was ranked #4270 and Koah #880 among boys in England and Wales.

Where to go next

Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.

Other comparisons involving Erin

Pairs where Erin shares a published list with another name, each measured inside one registrar's own list.

Erin vs Stacey
In 1996 they stood at #100 and #97 in England and Wales · Girls, 3 places apart; by 2024 they were #65 and #3015.
Erin · Stacey · 29 shared years, 1996–2024 · Started together, ended far apart
See the 2024 England and Wales ranking
Erin vs Claire
In 1996 they stood at #100 and #90 in England and Wales · Girls, 10 places apart; by 2024 they were #65 and #1021.
Erin · Claire · 29 shared years, 1996–2024 · Started together, ended far apart
See the 2024 England and Wales ranking
Erin vs Rachael
In 1997 they stood at #25 and #25 in Northern Ireland · Girls, 0 places apart; by 2017 they were #17 and #432.
Erin · Rachael · 19 shared years, 1997–2017 · Started together, ended far apart
See the 2017 Northern Ireland ranking
Nicole vs Erin
In 1997 they stood at #16 and #25 in Northern Ireland · Girls, 9 places apart; by 2024 they were #407 and #25.
Nicole · Erin · 27 shared years, 1997–2024 · Started together, ended far apart
See the 2024 Northern Ireland ranking

Side by side

Side-by-side comparison of Erin, Koah
Field	Erin	Koah
Record type	Editorially researched profile	Official statistical record (evidence-only)
Gender usage	female	male
Meaning	An Anglicized form of Éireann, the Irish name for Ireland itself.	Not yet recorded
Origin	Irish	Not yet recorded
Pronunciation	/ˈɛɹ.ɪn/	Not yet recorded
Syllables	2	1
Common variants / nicknames	Not yet recorded	Not yet recorded
Recorded regional usage	AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ	GB-ENW, GB-NIR, GB-SCT, IE
Most recent popularity observation	Republic of Ireland · Girls #71 (2025)	Republic of Ireland · Boys #402 (2025)
Pronunciation clarity (demonstration score)	90/100	Not yet recorded
Spelling simplicity (demonstration score)	95/100	95/100
International familiarity (demonstration score)	100/100	100/100
Data Confidence	medium	medium

What the data shows

Erin has a recorded origin (Irish); Koah does not have one recorded yet.
Erin has 2 syllables, compared with 1 for Koah.
A meaning is recorded for Erin; Koah doesn't have one written yet.
Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.

How each name got here

Erin

Popularity journey

First recorded1975
First recorded at #89 among girls in New Zealand in 1975 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New Zealand · Girls
Highest recorded1997–2024
Highest recorded position: #5 among girls in Northern Ireland, in 2009 (recorded 1997–2024).
Northern Ireland · Girls
Most recent2025
Most recently recorded at #71 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls

Koah

Popularity journey

First recorded2014
First recorded at #2248 among boys in England and Wales in 2014 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded2021–2023
Highest recorded position: #266 among boys in Northern Ireland, in 2021 (recorded 2021–2023).
Northern Ireland · Boys
Most recent2025
Most recently recorded at #402 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys