Cillian vs Layth

Cillian and Laythcompared 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 · Boys
In 2024, Cillian was ranked #177 and Layth #630 among boys in England and Wales.

Cillian and Layth over time

Cillian and Layth appear together in 1 published list, across 24 years of shared records. Cillian held the stronger position in more years in 1 of them, Layth in 0.

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.

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.

Peaked in the same years
Both reached their highest recorded position in England and Wales · Boys within 2 years — Cillian #177 in 2024, Layth #630 in 2024.

List by list

England and Wales · Boys24 shared years, 1999–2024
Cillian held the stronger position in 23 of those years, Layth in 1.
Highest recorded here: Cillian #177 in 2024, Layth #630 in 2024.
The order changed in 2001: Cillian moved ahead. In 2000 they stood at #2943 and #1850; by 2001 that had become #1746 and #2587.
Most recent shared year, 2024: Cillian #177, Layth #630.

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.

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 Cillian

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

Jason vs Cillian
Over 55 shared years in Republic of Ireland · Boys, Cillian rose about as far as Jason fell — from #53 and #305 in 1970 to #135 and #9 in 2025.
Jason · Cillian · 55 shared years, 1970–2025 · Mirrored each other
See the 2025 Republic of Ireland ranking
Cillian vs Marcus
Over 55 shared years in Republic of Ireland · Boys, Cillian rose about as far as Marcus fell — from #305 and #111 in 1970 to #9 and #232 in 2025.
Cillian · Marcus · 55 shared years, 1970–2025 · Mirrored each other
See the 2025 Republic of Ireland ranking
Cillian vs Nicholas
Over 55 shared years in Republic of Ireland · Boys, Cillian rose about as far as Nicholas fell — from #305 and #81 in 1970 to #9 and #198 in 2025.
Cillian · Nicholas · 55 shared years, 1970–2025 · Mirrored each other
See the 2025 Republic of Ireland ranking
Cillian vs Ronan
Over 55 shared years in Republic of Ireland · Boys, Cillian rose about as far as Ronan fell — from #305 and #54 in 1970 to #9 and #86 in 2025.
Cillian · Ronan · 55 shared years, 1970–2025 · Mirrored each other
See the 2025 Republic of Ireland ranking

Side by side

Side-by-side comparison of Cillian, Layth
Field	Cillian	Layth
Record type	Editorially researched profile	Official statistical record (evidence-only)
Gender usage	male	male
Meaning	Probably from Old Irish 'cell' (church) combined with a diminutive suffix.	Not yet recorded
Origin	Irish	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-ENW, GB-NIR, GB-SCT, IE	GB-ENW
Most recent popularity observation	Republic of Ireland · Boys #9 (2025)	England and Wales · Boys #630 (2024)
Pronunciation clarity (demonstration score)	Not yet recorded	Not yet recorded
Spelling simplicity (demonstration score)	82/100	94/100
International familiarity (demonstration score)	100/100	40/100
Data Confidence	medium	medium

What the data shows

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

How each name got here

Cillian

Popularity journey

First recorded1970
First recorded at #305 among boys in Republic of Ireland in 1970 — 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: #2 among boys in Northern Ireland, in 2024 (recorded 1997–2024).
Northern Ireland · Boys
Most recent2025
Most recently recorded at #9 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys

Layth

Popularity journey

First recorded1999
First recorded at #1850 among boys in England and Wales in 1999 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded1999–2024
Highest recorded position: #630 among boys in England and Wales, in 2024 (recorded 1999–2024).
England and Wales · Boys
Most recent2024
Most recently recorded at #630 among boys in England and Wales, in 2024.
England and Wales · Boys