Caolan vs Tiernan
Caolan and Tiernancompared 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 2024, Caolan was ranked #89 and Tiernan #125 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2025, Caolan was ranked #286 and Tiernan #115 among boys in Republic of Ireland.
Scotland · Boys
In 2024, Caolan was ranked #619 and Tiernan #619 among boys in Scotland.
England and Wales · Boys
In 2024, Caolan was ranked #1517 and Tiernan #2921 among boys in England and Wales.
Caolan and Tiernan over time
Caolan and Tiernan appear together in 3 published lists, across 97 years of shared records. Tiernan held the stronger position in more years in 2 of them, Caolan in 1.
The order between them changed and held in one of those lists — a change in that published list, never a claim that one name displaced the other.
Caolan reached its own highest recorded position earlier in 2 of those lists, and Tiernan in none. Each position is a place inside its own list, so this compares when they peaked and never how high.
Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.
How this pair is related
The relationship kinds these two qualify for, each under its own stated rule. Every one is drawn from a list they both appear in.
- One moved ahead of the other
In 2002, Tiernan moved ahead of Caolan in Republic of Ireland · Boys — #120 and #148 the year before became #148 and #142.
- Repeatedly exchanged positions
Caolan and Tiernan changed places 10 times in England and Wales · Boys between 1996 and 2024, ending at #1517 and #2921.
- Closest over the longest run
Across 28 shared years in Northern Ireland · Boys, Caolan and Tiernan averaged 32.5 places apart, ending at #89 and #125.
- Longest-running competitions
Caolan and Tiernan were both ranked in Republic of Ireland · Boys for 40 years, from 1982 to 2025, ending at #286 and #115.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Boys within 2 years — Caolan #973 in 1999, Tiernan #697 in 1999.
List by list
Republic of Ireland · Boys40 shared years, 1982–2025
Caolan held the stronger position in 12 of those years, Tiernan in 27.
Highest recorded here: Caolan #120 in 1999, Tiernan #84 in 2022.
The order changed in 2002: Tiernan moved ahead. In 2001 they stood at #120 and #148; by 2002 that had become #148 and #142.
Most recent shared year, 2025: Caolan #286, Tiernan #115.
England and Wales · Boys29 shared years, 1996–2024
Caolan held the stronger position in 11 of those years, Tiernan in 18.
Highest recorded here: Caolan #973 in 1999, Tiernan #697 in 1999.
The order between them never changed and held in this list.
Most recent shared year, 2024: Caolan #1517, Tiernan #2921.
Northern Ireland · Boys28 shared years, 1997–2024
Caolan held the stronger position in 24 of those years, Tiernan in 2.
Highest recorded here: Caolan #28 in 1997, Tiernan #52 in 2008.
The order between them never changed and held in this list.
Most recent shared year, 2024: Caolan #89, Tiernan #125.
Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.
Side by side
| Field | Caolan | Tiernan |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Traditionally interpreted as 'slender' or 'little slender one' — a diminutive built on the Irish word caol ('slender'). | Not yet recorded |
| Origin | Irish | Not yet recorded |
| Pronunciation | /ˈkiːlˠaːnˠ/ | Not yet recorded |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE | GB-ENW, GB-NIR, GB-SCT, IE |
| Most recent popularity observation | Republic of Ireland · Boys #286 (2025) | Republic of Ireland · Boys #115 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Caolan has a recorded origin (Irish); Tiernan does not have one recorded yet.
- Caolan and Tiernan both have 2 syllables.
- A meaning is recorded for Caolan; Tiernan doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.
How each name got here
Caolan
Popularity journey
First recorded1982
First recorded at #286 among boys in Republic of Ireland in 1982 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1997–2024
Highest recorded position: #28 among boys in Northern Ireland, in 1997 (recorded 1997–2024).
Northern Ireland · Boys
Most recent2025
Most recently recorded at #286 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Tiernan
Popularity journey
First recorded1964
First recorded at #232 among boys in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1997–2024
Highest recorded position: #52 among boys in Northern Ireland, in 2008 (recorded 1997–2024).
Northern Ireland · Boys
Most recent2025
Most recently recorded at #115 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys