Compare Names
Search for up to 4 names to compare side by side, or browse a curated comparison below.
- Cillian
- Nicholas
| Field | Cillian | Nicholas |
|---|---|---|
| Record type | Editorially researched profile | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Probably from Old Irish 'cell' (church) combined with a diminutive suffix. | From Greek Nikolaos, combining 'nike' (victory) and 'laos' (people) — 'victory of the people'. Associated with Saint Nicholas, a 4th-century bishop and the inspiration for Santa Claus. |
| Origin | Irish | Greek |
| Pronunciation | Not yet recorded | /ˈnɪk.ə.ləs/ |
| Syllables | 2 | 3 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | Republic of Ireland · Boys #9 (2025) | Republic of Ireland · Boys #198 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 82/100 | 76/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Cillian is recorded with a Irish origin, while Nicholas is recorded with a Greek origin.
- Cillian has 2 syllables, compared with 3 for Nicholas.
- Cillian's recorded meaning differs from Nicholas's — see the table above for each.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.
Name rivalries — pairs whose positions genuinely passed each other →
Curated comparisons
Two of the UK's most enduringly popular girls' names, both with a soft, flowing sound and a similar era of peak popularity — the choice usually comes down to origin story and nickname preference.
Both are currently the most-used boys' names in several English-speaking countries. Oliver leans slightly more classic/literary; Noah is shorter and more globally portable.
Both short, currently-fashionable UK names — Freya carries Norse mythological weight, while Isla is a Scottish place name that reads as slightly softer and more understated.
Both carry regal, 'strength'-adjacent meanings and centuries of royal usage — Alexander is the more internationally familiar choice, Magnus the more distinctive.