Eoghain vs Kai
Eoghain and Kaicompared 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.
Northern Ireland · Boys
In 2021, Eoghain was ranked #433 and Kai #52 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2007, Eoghain was ranked #629 and Kai #201 among boys in Republic of Ireland.
Side by side
| Field | Eoghain | Kai |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | Not yet recorded |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-NIR, IE | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO |
| Most recent popularity observation | Northern Ireland · Boys #433 (2021) | New South Wales, Australia · Boys #23 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 82/100 | 95/100 |
| International familiarity (demonstration score) | 60/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Eoghain has 2 syllables, compared with 1 for Kai.
- Both names have recorded usage in GB-NIR, IE.
How each name got here
Eoghain
Popularity journey
First recorded1973
First recorded at #290 among boys in Republic of Ireland in 1973 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1973–2007
Highest recorded position: #224 among boys in Republic of Ireland, in 1984 (recorded 1973–2007).
Republic of Ireland · Boys
Most recent2021
Most recently recorded at #433 among boys in Northern Ireland, in 2021.
Northern Ireland · Boys
Kai
Popularity journey
First recorded1945
First recorded at #76 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded2002–2025
Highest recorded position: #20 among boys in New South Wales, Australia, in 2023 (recorded 2002–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #23 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys