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Cillian

Gender

Male

Origin

Celtic/Gaelic
Battle
Irish
Strife

Syllables

3

Alternate Spellings and Variants of Cillian

Pronunciation

ci(l)-lian

Popularity in the USA

  • Boys: peak in 2024 (rank #463, 668 births); most recent 2025 (rank #507, 595 births)
  • Girls: peak in 2024 (rank #13427, 6 births)
Births by year in the USA
YearBoysGirls
2025595–
20246686
2023476–
2022352–
2021340–
2020228–
2019186–
2018193–
2017170–
2016177–

Top girl names · Top boy names in the USA (2025)

Source: U.S. Social Security Administration (SSA), national baby names data (public domain). This site is not affiliated with or endorsed by the SSA. Data years: 1880 to 2025. Original data

Popularity in England and Wales

  • Boys: peak in 2024 (rank #177, 285 births); most recent 2025 (rank #217, 230 births)
Births by year in England and Wales
YearBoys
2025230
2024285
2023241
2022227
2021168
2020202
2019193
2018199
2017151
2016119

Top girl names · Top boy names in England and Wales (2025)

Source: Office for National Statistics (ONS), Baby names in England and Wales. Contains public sector information licensed under the Open Government Licence v3.0. Data years: 1996 to 2025. Original data · Licence

Popularity in France

  • Boys: peak in 2023 (rank #1301, 25 births)
Births by year in France
YearBoys
202325
202224
202114
202019
201913
20188
20173
20169
201511
20148

Top girl names · Top boy names in France (2023)

Source: INSEE, Fichier des prénoms (last updated 8 July 2024), used under the Licence Ouverte / Open Licence 2.0. Changes: names are shown in title case, and spellings that differ only by accents are counted together. Data years: 1900 to 2023. Original data · Licence

Popularity in Ireland

  • Boys: peak in 2007 (rank #22, 377 births); most recent 2025 (rank #9, 276 births)
Births by year in Ireland
YearBoys
2025276
2024358
2023275
2022319
2021322
2020302
2019292
2018294
2017302
2016298

Top girl names · Top boy names in Ireland (2025)

Source: Central Statistics Office (CSO), Ireland, Irish Babies' Names (tables VSA50 and VSA60), licensed under CC BY 4.0. Changes: spellings that differ only by accents (for example Rian and Rían) are counted together. Data years: 1964 to 2025. Original data · Licence

Popularity in Scotland

  • Boys: peak in 2024 (rank #83, 62 births); most recent 2025 (rank #100, 51 births)
Births by year in Scotland
YearBoys
202551
202462
202353
202246
202145
202034
201941
201839
201725
201620

Top girl names · Top boy names in Scotland (2025)

Source: National Records of Scotland (NRS), Babies' First Names. © Crown copyright. Contains public sector information licensed under the Open Government Licence v3.0. Data years: 1974 to 2025. Original data · Licence

Popularity in Northern Ireland

  • Boys: peak in 2024 (rank #2, 142 births); most recent 2025 (rank #11, 95 births)
Births by year in Northern Ireland
YearBoys
202595
2024142
2023128
2022111
2021116
2020111
2019104
2018117
2017109
201679

Top girl names · Top boy names in Northern Ireland (2025)

Source: Northern Ireland Statistics and Research Agency (NISRA), Baby Names. © Crown copyright. Contains public sector information licensed under the Open Government Licence v3.0. Data years: 1997 to 2025. Original data · Licence

Popularity in British Columbia (Canada)

  • Boys: peak in 2023 (rank #291, 11 births)
Births by year in British Columbia (Canada)
YearBoys
202311
20226
20216
20207
20198
20187
2017–
2016–
20155
2014–

Top girl names · Top boy names in British Columbia (Canada) (2023)

Source: British Columbia Vital Statistics Agency, Most popular baby names for the past 100 years. Contains information licensed under the Open Government Licence – British Columbia. Changes: names are shown in title case. Data years: 1924 to 2023. Original data · Licence