Liam vs Senan
Liam and Senancompared 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.
Republic of Ireland · Boys
In 2025, Liam was ranked #7 and Senan #38 among boys in Republic of Ireland.
Northern Ireland · Boys
In 2024, Liam was ranked #42 and Senan #104 among boys in Northern Ireland.
England and Wales · Boys
In 2024, Liam was ranked #70 and Senan #2263 among boys in England and Wales.
Liam and Senan over time
Liam and Senan appear together in 3 published lists, across 110 years of shared records. Liam held the stronger position in more years in 3 of them, Senan in 0.
In none of those lists did their order change and stay changed.
Liam reached its own highest recorded position earlier in 3 of those lists, and Senan 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.
- Longest-running competitions
Liam and Senan were both ranked in Republic of Ireland · Boys for 62 years, from 1964 to 2025, ending at #7 and #38.
List by list
Republic of Ireland · Boys62 shared years, 1964–2025
Liam held the stronger position in 62 of those years, Senan in 0.
Highest recorded here: Liam #6 in 2021, Senan #38 in 2025.
The order between them never changed and held in this list.
Most recent shared year, 2025: Liam #7, Senan #38.
England and Wales · Boys26 shared years, 1997–2024
Liam held the stronger position in 26 of those years, Senan in 0.
Highest recorded here: Liam #15 in 1997, Senan #1339 in 2017.
The order between them never changed and held in this list.
Most recent shared year, 2024: Liam #70, Senan #2263.
Northern Ireland · Boys22 shared years, 2003–2024
Liam held the stronger position in 22 of those years, Senan in 0.
Highest recorded here: Liam #35 in 2008, Senan #65 in 2020.
The order between them never changed and held in this list.
Most recent shared year, 2024: Liam #42, Senan #104.
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 | Liam | Senan |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | A short form, inheriting its meaning from William — 'resolute protection' or 'will helmet'. | Not yet recorded |
| Origin | Irish, short form of William (via Uilliam) | Not yet recorded |
| Pronunciation | /ˈliːəm/ | Not yet recorded |
| Syllables | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | GB-ENW, GB-NIR, IE |
| Most recent popularity observation | Norway · Boys #7 (2025) | Republic of Ireland · Boys #38 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Liam has a recorded origin (Irish, short form of William (via Uilliam)); Senan does not have one recorded yet.
- Liam has 1 syllable, compared with 2 for Senan.
- A meaning is recorded for Liam; Senan doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Liam
Popularity journey
First recorded1964
First recorded at #54 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 recorded1986–2023
Highest recorded position: #1 among boys in New Zealand, in 2010 (recorded 1986–2023).
New Zealand · Boys
Most recent2025
Most recently recorded at #15 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys
Senan
Popularity journey
First recorded1964
First recorded at #191 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 recorded1964–2025
Highest recorded position: #38 among boys in Republic of Ireland, in 2025 (recorded 1964–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #38 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys